glx: Fix glXCreateWindow() when GLX_DIRECT_RENDERING is undefined

glXCreateWindow() and glXCreatePbuffer() always fail when built without
GLX_DIRECT_RENDERING defined since commit 48331047.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
1 file changed