rem: info->t.target_size = size;
add: info->t.u.target_size = size;
context: append_range(struct ipt_natinfo *info, const struct ip_nat_range *range){	unsigned int size;	/* One rangesize already in struct ipt_natinfo */	size = IPT_ALIGN(sizeof(*info) + info->mr.rangesize * sizeof(*range));	info = realloc(info, size);	if (!info)		exit_error(OTHER_PROBLEM, "Out of memory\n");	info->t.target_size = size;	info->mr.range[info->mr.rangesize] = *range;	info->mr.rangesize++;	return info;}