Fixed incorrect macro in fullscreen code.
Fixes OpenGL not rendering on pre-10.7 Mac OS X when built with the 10.7 SDK.
--- a/src/video/quartz/SDL_QuartzVideo.m Fri Dec 30 14:43:57 2011 -0500
+++ b/src/video/quartz/SDL_QuartzVideo.m Fri Dec 02 16:10:55 2011 -0500
@@ -834,7 +834,7 @@
/* Apparently Lion checks some version flag set by the linker
and changes API behavior. Annoying. */
-#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1070)
+#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
{
CGLError err;
CGLContextObj ctx;