glx: set errorValue when returning GLXBadFBConfig
client->errorValue is already set in validGlxFBConfig. Set it in __glXDisp_CreateContextAttribsARB for consistency. Signed-off-by: Peter Harris <pharris@opentext.com>
client->errorValue is already set in validGlxFBConfig. Set it in __glXDisp_CreateContextAttribsARB for consistency. Signed-off-by: Peter Harris <pharris@opentext.com>