rem: gtk_tree_view_set_reorderable (GTK_TREE_VIEW (treeview), FALSE);
add: totem_playlist_set_reorderable (playlist, FALSE);
context: button_release_cb (GtkWidget *treeview, GdkEventButton *event, gpointer data){	TotemPlaylist *playlist = (TotemPlaylist *)data;	if (!playlist->_priv->drag_started)	{		gtk_tree_view_set_reorderable (GTK_TREE_VIEW (treeview),				FALSE);		gtk_drag_dest_set (treeview, GTK_DEST_DEFAULT_ALL,				target_table, G_N_ELEMENTS (target_table),				GDK_ACTION_COPY);		g_signal_handlers_unblock_by_func (treeview,				(GFunc) drop_cb, data);			}	return FALSE;}