rem: if (!handler || !deathHandler)
add: if (!handler || !deathHandlers)
context: wDeleteDeathHandler(WMagicNumber id){    DeathHandler *tmp, *handler=(DeathHandler*)id;    if (!handler || !deathHandler)      return;    tmp = deathHandler;    if (tmp==handler) {	deathHandler = handler->next;	free(handler);    } else {	while (tmp->next) {	    if (tmp->next==handler) {		tmp->next=handler->next;		free(handler);		break;	    }	    tmp = tmp->next;	}    }}