rem: size_changed_cb (GdkScreen *screen, gpointer user_data)
add: size_changed_cb (GdkScreen *screen, BaconVideoWidget *bvw)
context: size_changed_cb (GdkScreen *screen, gpointer user_data){	BaconVideoWidget *bvw = (BaconVideoWidget *) bvw;	update_fullscreen_size (bvw);	if (bvw->priv->fullscreen_mode)	{		gdk_window_resize (bvw->priv->fullscreen_window,				bvw->priv->fullscreen_rect.width,				bvw->priv->fullscreen_rect.height);	}}