Fix iptable_nat's memory leak problem.
--- linux-orig/net/ipv4/netfilter/ip_nat_core.c Mon Jun 10 16:15:10 2002
+++ linux/net/ipv4/netfilter/ip_nat_core.c Mon Jun 10 16:17:30 2002
@@ -913,4 +913,5 @@
{
ip_ct_selective_cleanup(&clean_nat, NULL);
ip_conntrack_destroyed = NULL;
+ vfree(bysource);
}