gtk/accel.go
func (v *Menu) SetAccelGroup(accelGroup *AccelGroup) {
	C.gtk_menu_set_accel_group(v.native(), accelGroup.native())
}
func (v *Menu) SetAccelGroup(accelGroup *AccelGroup) {
	C.gtk_menu_set_accel_group(v.native(), accelGroup.native())
}
// SetAccelGroup is a wrapper around gtk_menu_set_accel_group().