rem: if (bacon_video_widget_can_set_volume (BACON_VIDEO_WIDGET (totem->bvw)) == FALSE)
add: if (bacon_video_widget_can_set_volume (totem->bvw) == FALSE)
context: totem_action_volume_relative (Totem *totem, int off_pct){	int vol;	if (bacon_video_widget_can_set_volume			(BACON_VIDEO_WIDGET (totem->bvw)) == FALSE)		return;	vol = bacon_video_widget_get_volume (BACON_VIDEO_WIDGET (totem->bvw));	bacon_video_widget_set_volume		(BACON_VIDEO_WIDGET (totem->bvw), vol + off_pct);	volume_set_image (totem, vol + off_pct);}