add a sanity check to make sure that opengl was actually initialized properly.  should probably move the entire error code case into ogl.. regardless, this should abort the client that will probably just segfault later somewhere anyways.
add a sanity check to make sure that opengl was actually initialized properly.  should probably move the entire error code case into ogl.. regardless, this should abort the client that will probably just segfault later somewhere anyways.


kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1