fixed a compile issue on osx

OpenFlipper.cc

@@ -446,12 +446,6 @@ int main(int argc, char **argv)
         }
       }
      }
-    
-    //On Apple systems the extensions are loaded automagically by qt so dont call the init functions or include the opengl headers (gl_compat_4_4).
-    #ifndef __APPLE__
- //   initOpenGLFunctions();
-    #endif
-    //std::cout<<QGLFormat::openGLVersionFlags();
 
     // After setting all Options from command line, build the real gui
     w->init();   

widgets/coreWidget/About.cc

@@ -60,7 +60,7 @@
 //== INCLUDES =================================================================
 
 #include <common/glew_wrappers.hh>
-#include <ACG/GL/gl_compat_4_4.hh>
+#include <ACG/GL/acg_glew.hh>
 
 #include "CoreWidget.hh"
 #include <OpenFlipper/common/FileTypes.hh>