spice/gl: add & use qemu_spice_gl_monitor_config
						
							
							Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
(cherry picked from commit 39414ef4e9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>