--- linux/include/linux/netfilter_ipv4/ip_nat.h.orig	2005-03-21 16:18:40.000000000 -0700
+++ linux/include/linux/netfilter_ipv4/ip_nat.h	2005-03-21 16:23:54.000000000 -0700
@@ -66,6 +66,15 @@
 	struct ip_conntrack_manip manip;
 };
 
+/* For backwards compat: don't use in modern code. */
+struct ip_nat_multi_range_compat
+{
+	unsigned int rangesize; /* Must be 1. */
+
+	/* hangs off end. */
+	struct ip_nat_range range[1];
+};
+
 #define ip_nat_multi_range ip_nat_multi_range_compat
 
 #endif