rem: printf("--log-prefix %s ", loginfo->prefix);
add: printf("--log-prefix \"%s\" ", loginfo->prefix);
context: save(const struct ipt_ip *ip, const struct ipt_entry_target *target){	const struct ipt_log_info *loginfo		= (const struct ipt_log_info *)target->data;	if (strcmp(loginfo->prefix, "") != 0)		printf("--log-prefix %s ", loginfo->prefix);	if (loginfo->level != LOG_DEFAULT_LEVEL)		printf("--log-level %u ", loginfo->level);	if (loginfo->logflags & IPT_LOG_TCPSEQ)		printf("--log-tcp-sequence ");	if (loginfo->logflags & IPT_LOG_TCPOPT)		printf("--log-tcp-options ");	if (loginfo->logflags & IPT_LOG_IPOPT)		printf("--log-ip-options ");}