Don't enter glutCheckLoop() from gl_get_event() if there is already an event available. This increases the framerate when using OpenGL.
Don't enter glutCheckLoop() from gl_get_event() if there is already an
event available. This increases the framerate when using OpenGL.

git-svn-id: 3f9eced0add15b5a9fa491ea3f7f263c10f60fd6@4096 92316355-f0b4-4df1-b90c-862c8a59935f

mcfiredrill/libcaca-old,mcfiredrill/libcaca-old,mcfiredrill/libcaca-old,Distrotech/libcaca,Distrotech/libcaca,Distrotech/libcaca,Distrotech/libcaca,mcfiredrill/libcaca-old,mcfiredrill/libcaca-old,Distrotech/libcaca,mcfiredrill/libcaca-old,mcfiredrill/libcaca-old,Distrotech/libcaca,Distrotech/libcaca,mcfiredrill/libcaca-old,Distrotech/libcaca,Distrotech/libcaca,mcfiredrill/libcaca-old