All I did in this change was switch from using #include "" syntax

to #include <> syntax.

examples/train_object_detector.cpp

@@ -59,15 +59,15 @@
 */
 
 
-#include "dlib/svm_threaded.h"
-#include "dlib/string.h"
-#include "dlib/gui_widgets.h"
-#include "dlib/array.h"
-#include "dlib/array2d.h"
-#include "dlib/image_keypoint.h"
-#include "dlib/image_processing.h"
-#include "dlib/data_io.h"
-#include "dlib/cmd_line_parser.h"
+#include <dlib/svm_threaded.h>
+#include <dlib/string.h>
+#include <dlib/gui_widgets.h>
+#include <dlib/array.h>
+#include <dlib/array2d.h>
+#include <dlib/image_keypoint.h>
+#include <dlib/image_processing.h>
+#include <dlib/data_io.h>
+#include <dlib/cmd_line_parser.h>
 
 
 #include <iostream>

examples/using_custom_kernels_ex.cpp

@@ -12,7 +12,7 @@
 
 
 #include <iostream>
-#include "dlib/svm.h"
+#include <dlib/svm.h>
 
 using namespace std;
 using namespace dlib;

examples/xml_parser_ex.cpp

@@ -11,7 +11,7 @@
 
 
 
-#include "dlib/xml_parser.h"
+#include <dlib/xml_parser.h>
 #include <iostream>
 #include <fstream>