add: g_object_unref (item); g_free (title);
context: ev_sidebar_menu_item_activate_cb (GtkWidget *widget,				  gpointer   user_data){	EvSidebar *ev_sidebar = EV_SIDEBAR (user_data);	GtkTreeIter iter;	GtkWidget *menu_item, *item;	gchar *title;	gboolean valid;	gint index;	menu_item = gtk_menu_get_active (GTK_MENU (ev_sidebar->priv->menu));	valid = gtk_tree_model_get_iter_first (ev_sidebar->priv->page_model, &iter);	   	while (valid) {		gtk_tree_model_get (ev_sidebar->priv->page_model,				    &iter,				    PAGE_COLUMN_TITLE, &title, 				    PAGE_COLUMN_MENU_ITEM, &item,				    PAGE_COLUMN_NOTEBOOK_INDEX, &index,				    -1);			 		if (item == menu_item) {			gtk_notebook_set_current_page				(GTK_NOTEBOOK (ev_sidebar->priv->notebook), index);			gtk_label_set_text (GTK_LABEL (ev_sidebar->priv->label), title);			valid = FALSE;		} else {			valid = gtk_tree_model_iter_next (ev_sidebar->priv->page_model, &iter);		}	}}