Changed code slightly to avoid warnings from gcc when -W -Wall is given.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403030

dlib/image_transforms/integral_image.h

@@ -30,8 +30,8 @@ namespace dlib
     public:
         typedef long value_type;
 
-        const long nr() const { return int_img.nr(); }
-        const long nc() const { return int_img.nc(); }
+        long nr() const { return int_img.nr(); }
+        long nc() const { return int_img.nc(); }
 
         template <typename image_type>
         void load (

dlib/sockets/sockets_extensions.cpp

@@ -225,7 +225,7 @@ namespace dlib
 
             char junk[100];
             // wait for the other end to close their side
-            while (con->read(junk,sizeof(junk)) > 0);
+            while (con->read(junk,sizeof(junk)) > 0) ;
         }
         catch (...)
         {