rem: int mssval;
add: unsigned int mssval;
context: parse(int c, char **argv, int invert, unsigned int *flags,      const struct ipt_entry *entry,      struct ipt_entry_target **target){	struct ipt_tcpmss_info *mssinfo		= (struct ipt_tcpmss_info *)(*target)->data;	switch (c) {		int mssval;	case '1':		if (*flags)			exit_error(PARAMETER_PROBLEM,			           "TCPMSS target: Only one option may be specified");		if ((mssval = string_to_number(optarg, 0, 65535 - 40)) == -1)			exit_error(PARAMETER_PROBLEM, "Bad TCPMSS value `%s'", optarg);				mssinfo->mss = mssval;		*flags = 1;		break;	case '2':		if (*flags)			exit_error(PARAMETER_PROBLEM,			           "TCPMSS target: Only one option may be specified");		mssinfo->mss = IPT_TCPMSS_CLAMP_PMTU;		*flags = 1;		break;	default:		return 0;	}	return 1;}