response_cb (GSLockPlug *plug,
             gint        response_id)
{
        if ((response_id == GS_LOCK_PLUG_RESPONSE_CANCEL) ||
            (response_id == GTK_RESPONSE_DELETE_EVENT)) {
                quit_response_cancel ();
        }
}
response_cb (GSLockPlug *plug,
             gint        response_id)
{
        if ((response_id == GS_LOCK_PLUG_RESPONSE_CANCEL) ||
            (response_id == GTK_RESPONSE_DELETE_EVENT)) {
                quit_response_cancel ();
        }
}