rem: match->save(ip, e);
add: if (match->save) match->save(ip, e);
context: static int print_match(const struct ipt_entry_match *e,			const struct ipt_ip *ip){	struct iptables_match *match		= find_match(e->u.user.name, TRY_LOAD);	if (match) {		printf("-m %s ", e->u.user.name);		match->save(ip, e);	} else {		if (e->u.match_size) {			fprintf(stderr,				"Can't find library for match `%s'\n",				e->u.user.name);			exit(1);		}	}	return 0;}