[SDL] Can't #include <GL/GL.h> on Mac

[Stephane Marchesin]

Simon Roby wrote:
> On 6/8/06, Richard Schreyer <rws_list at girr.org> wrote:
>   
>> On OS X systems, the proper headers to include are:
>>
>> <OpenGL/gl.h>
>> <OpenGL/glext.h>
>>     
>
> What the hell? Why did Apple do that?
>   
So that you have a portability reason for including "SDL_opengl.h" 
instead :)

Stephane