Restore compiling on Mac side.

Revert this if things are worse.

src/RageSurface_Load_JPEG.cpp

@@ -21,8 +21,13 @@
 #pragma warning(disable: 4611) /* interaction between '_setjmp' and C++ object destruction is non-portable */
 #else
 extern "C" {
+#if defined(MACOSX)
+#include <../extern/libjpeg/jpeglib.h>
+#include <../extern/libjpeg/jerror.h>
+#else
 #include "jpeglib.h"
 #include "jerror.h"
+#endif
 }
 #endif
 

src/RageSurface_Save_JPEG.cpp

@@ -12,7 +12,11 @@ namespace jpeg
 {
 	extern "C"
 	{
+#if defined(MACOSX)
+#include <../extern/libjpeg/jpeglib.h>
+#else
 #include "jpeglib.h"
+#endif
 	}
 }