menu_item_add_sensitive(menu, _("Select group _2 duplicates"), (dw->dupes != NULL),
G_CALLBACK(dupe_menu_select_dupes_set2_cb), dw);
menu_item_add_divider(menu);
menu_item_add_sensitive(menu, _("Select group _2 duplicates"), (dw->dupes != NULL),
G_CALLBACK(dupe_menu_select_dupes_set2_cb), dw);
menu_item_add_divider(menu);