[Apple has the OpenGL files in another directory. Also remove an unnecessary include
Andreas Röver <roever@users.sourceforge.net>**20050906194741] {
hunk ./src/gui/ArcBall.cpp 22
-#include <GL/gl.h>  
hunk ./src/gui/ArcBall.h 27
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#else
hunk ./src/gui/ArcBall.h 31
+#endif
hunk ./src/gui/VoxelView.cpp 23
-#include "GL/gl.h"
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#else
+#include <GL/gl.h>
+#endif
}
