Commit a9166450f49cec6c336c286c3e5b7a19108f0f3c

pgriffais 2013-09-10T18:25:13

[SDL] X11+GL: Allow Visual override for GL windows. SDL provides an SDL_VIDEO_X11_VISUALID environment variable that lets you override window visuals, but it wasn't being checked for OpenGL windows. CR: Sam.