Fixed bug #222

SDL_macgl loads CFM library (OpenGLLibrary) even in Mach-O,
when it should be loading the OpenGL.framework code instead

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401763

src/video/maccommon/SDL_macgl.c

@@ -168,7 +168,11 @@ void Mac_GL_SwapBuffers(_THIS)
 int Mac_GL_LoadLibrary(_THIS, const char *location)
 {
 	if (location == NULL)
+#if __MACH__
+		location = "/System/Library/Frameworks/OpenGL.framework/OpenGL";
+#else
 		location = "OpenGLLibrary";
+#endif
 
 	this->hidden->libraryHandle = SDL_LoadObject(location);