Just removed double __ from the inclusion guard names.

dlib/data_io/load_image_dataset_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_H__
-#ifdef DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_H__
+#undef DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_Hh_
+#ifdef DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_Hh_
 
 #include "image_dataset_metadata.h"
 #include "../array/array_kernel_abstract.h"
@@ -280,6 +280,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_H__
+#endif // DLIB_LOAD_IMAGE_DaTASET_ABSTRACT_Hh_
 
 

dlib/disjoint_subsets/disjoint_subsets.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_DISJOINT_SUBsETS_H__
-#define DLIB_DISJOINT_SUBsETS_H__
+#ifndef DLIB_DISJOINT_SUBsETS_Hh_
+#define DLIB_DISJOINT_SUBsETS_Hh_
 
 #include "disjoint_subsets_abstract.h"
 #include <vector>
@@ -138,5 +138,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_DISJOINT_SUBsETS_H__
+#endif // DLIB_DISJOINT_SUBsETS_Hh_
 

dlib/disjoint_subsets/disjoint_subsets_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_DISJOINT_SUBsETS_ABSTRACT_H__
-#ifdef DLIB_DISJOINT_SUBsETS_ABSTRACT_H__
+#undef DLIB_DISJOINT_SUBsETS_ABSTRACT_Hh_
+#ifdef DLIB_DISJOINT_SUBsETS_ABSTRACT_Hh_
 
 #include <vector>
 #include "../algs.h"
@@ -94,6 +94,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_DISJOINT_SUBsETS_ABSTRACT_H__
+#endif // DLIB_DISJOINT_SUBsETS_ABSTRACT_Hh_
 
 

dlib/filtering/kalman_filter.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_KALMAN_FiLTER_H__
-#define DLIB_KALMAN_FiLTER_H__
+#ifndef DLIB_KALMAN_FiLTER_Hh_
+#define DLIB_KALMAN_FiLTER_Hh_
 
 #include "kalman_filter_abstract.h"
 #include "../matrix.h"
@@ -156,5 +156,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_KALMAN_FiLTER_H__
+#endif // DLIB_KALMAN_FiLTER_Hh_
 

dlib/filtering/kalman_filter_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_KALMAN_FiLTER_ABSTRACT_H__
-#ifdef DLIB_KALMAN_FiLTER_ABSTRACT_H__
+#undef DLIB_KALMAN_FiLTER_ABSTRACT_Hh_
+#ifdef DLIB_KALMAN_FiLTER_ABSTRACT_Hh_
 
 #include "../serialize.h"
 #include "../matrix.h"
@@ -203,6 +203,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_KALMAN_FiLTER_ABSTRACT_H__
+#endif // DLIB_KALMAN_FiLTER_ABSTRACT_Hh_
 
 

dlib/filtering/rls_filter.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_RLS_FiLTER_H__
-#define DLIB_RLS_FiLTER_H__
+#ifndef DLIB_RLS_FiLTER_Hh_
+#define DLIB_RLS_FiLTER_Hh_
 
 #include "rls_filter_abstract.h"
 #include "../svm/rls.h"
@@ -194,5 +194,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_RLS_FiLTER_H__
+#endif // DLIB_RLS_FiLTER_Hh_
 

dlib/filtering/rls_filter_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_RLS_FiLTER_ABSTRACT_H__
-#ifdef DLIB_RLS_FiLTER_ABSTRACT_H__
+#undef DLIB_RLS_FiLTER_ABSTRACT_Hh_
+#ifdef DLIB_RLS_FiLTER_ABSTRACT_Hh_
 
 #include "../svm/rls_abstract.h"
 #include "../matrix/matrix_abstract.h"
@@ -166,6 +166,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_RLS_FiLTER_ABSTRACT_H__
+#endif // DLIB_RLS_FiLTER_ABSTRACT_Hh_
 
 

dlib/float_details.h

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_FLOAT_DEtAILS_H__
-#define DLIB_FLOAT_DEtAILS_H__
+#ifndef DLIB_FLOAT_DEtAILS_Hh_
+#define DLIB_FLOAT_DEtAILS_Hh_
 
 #include <math.h>
 #include "algs.h"
@@ -175,5 +175,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_FLOAT_DEtAILS_H__
+#endif // DLIB_FLOAT_DEtAILS_Hh_
 

dlib/general_hash/count_bits.h

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_COUNT_BiTS_H__
-#define DLIB_COUNT_BiTS_H__
+#ifndef DLIB_COUNT_BiTS_Hh_
+#define DLIB_COUNT_BiTS_Hh_
 
 #include "../algs.h"
 #include <climits>
@@ -58,5 +58,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_COUNT_BiTS_H__
+#endif // DLIB_COUNT_BiTS_Hh_
 

dlib/general_hash/count_bits_abstract.h

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_COUNT_BiTS_ABSTRACT_H__
-#ifdef DLIB_COUNT_BiTS_ABSTRACT_H__
+#undef DLIB_COUNT_BiTS_ABSTRACT_Hh_
+#ifdef DLIB_COUNT_BiTS_ABSTRACT_Hh_
 
 
 namespace dlib
@@ -43,6 +43,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_COUNT_BiTS_ABSTRACT_H__
+#endif // DLIB_COUNT_BiTS_ABSTRACT_Hh_
 
 

dlib/general_hash/hash.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_HAsH_H__ 
-#define DLIB_HAsH_H__ 
+#ifndef DLIB_HAsH_Hh_ 
+#define DLIB_HAsH_Hh_ 
 
 #include "hash_abstract.h"
 #include <vector>
@@ -138,5 +138,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_HAsH_H__
+#endif // DLIB_HAsH_Hh_
 

dlib/general_hash/hash_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_HAsH_ABSTRACT_H__
-#ifdef DLIB_HAsH_ABSTRACT_H__ 
+#undef DLIB_HAsH_ABSTRACT_Hh_
+#ifdef DLIB_HAsH_ABSTRACT_Hh_ 
 
 #include "murmur_hash3_abstract.h"
 #include <vector>
@@ -177,6 +177,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_HAsH_ABSTRACT_H__
+#endif // DLIB_HAsH_ABSTRACT_Hh_
 
 

dlib/general_hash/murmur_hash3.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_MURMUR_HAsH_3_H__ 
-#define DLIB_MURMUR_HAsH_3_H__ 
+#ifndef DLIB_MURMUR_HAsH_3_Hh_ 
+#define DLIB_MURMUR_HAsH_3_Hh_ 
 
 #include "murmur_hash3_abstract.h"
 #include "../uintn.h"
@@ -513,5 +513,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_MURMUR_HAsH_3_H__
+#endif // DLIB_MURMUR_HAsH_3_Hh_
 

dlib/general_hash/murmur_hash3_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_MURMUR_HAsH_3_ABSTRACT_H__ 
-#ifdef DLIB_MURMUR_HAsH_3_ABSTRACT_H__ 
+#undef DLIB_MURMUR_HAsH_3_ABSTRACT_Hh_ 
+#ifdef DLIB_MURMUR_HAsH_3_ABSTRACT_Hh_ 
 
 #include "../uintn.h"
 #include <utility>
@@ -120,6 +120,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_MURMUR_HAsH_3_ABSTRACT_H__
+#endif // DLIB_MURMUR_HAsH_3_ABSTRACT_Hh_
 
 

dlib/general_hash/random_hashing.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_RANDOM_HAsHING_H__ 
-#define DLIB_RANDOM_HAsHING_H__ 
+#ifndef DLIB_RANDOM_HAsHING_Hh_ 
+#define DLIB_RANDOM_HAsHING_Hh_ 
 
 #include "random_hashing_abstract.h"
 #include "murmur_hash3.h"
@@ -873,5 +873,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_RANDOM_HAsHING_H__
+#endif // DLIB_RANDOM_HAsHING_Hh_
 

dlib/general_hash/random_hashing_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_RANDOM_HAsHING_ABSTRACT_H__ 
-#ifdef DLIB_RANDOM_HAsHING_ABSTRACT_H__ 
+#undef DLIB_RANDOM_HAsHING_ABSTRACT_Hh_ 
+#ifdef DLIB_RANDOM_HAsHING_ABSTRACT_Hh_ 
 
 #include "random_hashing_abstract.h"
 #include "murmur_hash3.h"
@@ -54,5 +54,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_RANDOM_HAsHING_ABSTRACT_H__
+#endif // DLIB_RANDOM_HAsHING_ABSTRACT_Hh_
 

dlib/geometry/point_transforms_abstract.h

 // Copyright (C) 2003  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_POINT_TrANSFORMS_ABSTRACT_H__
-#ifdef DLIB_POINT_TrANSFORMS_ABSTRACT_H__
+#undef DLIB_POINT_TrANSFORMS_ABSTRACT_Hh_
+#ifdef DLIB_POINT_TrANSFORMS_ABSTRACT_Hh_
 
 #include "../matrix/matrix_abstract.h"
 #include "vector_abstract.h"
@@ -365,6 +365,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_POINT_TrANSFORMS_ABSTRACT_H__
+#endif // DLIB_POINT_TrANSFORMS_ABSTRACT_Hh_
 
 

dlib/graph_cuts/find_max_factor_graph_potts.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_H__
-#define DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_H__
+#ifndef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_Hh_
+#define DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_Hh_
 
 #include "find_max_factor_graph_potts_abstract.h"
 #include "../matrix.h"
@@ -955,5 +955,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_H__
+#endif // DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_Hh_
 

dlib/graph_cuts/find_max_factor_graph_potts_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_H__
-#ifdef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_H__
+#undef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_Hh_
+#ifdef DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_Hh_
 
 #include "../matrix.h"
 #include "min_cut_abstract.h"
@@ -631,6 +631,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_H__
+#endif // DLIB_FIND_MAX_FACTOR_GRAPH_PoTTS_ABSTRACT_Hh_
 
 

dlib/graph_cuts/general_flow_graph.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_GENERAL_FLOW_GRaPH_H__
-#define DLIB_GENERAL_FLOW_GRaPH_H__
+#ifndef DLIB_GENERAL_FLOW_GRaPH_Hh_
+#define DLIB_GENERAL_FLOW_GRaPH_Hh_
 
 #include "../graph_utils.h"
 
@@ -168,5 +168,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_GENERAL_FLOW_GRaPH_H__
+#endif // DLIB_GENERAL_FLOW_GRaPH_Hh_