--- a/net/netfilter/nf_conntrack_snmp.c	2012-10-25 09:11:15.711271681 -0700
+++ b/net/netfilter/nf_conntrack_snmp.c	2012-12-28 20:09:04.666030725 -0800
@@ -16,6 +16,7 @@
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_helper.h>
 #include <net/netfilter/nf_conntrack_expect.h>
+#include <linux/netfilter/nf_conntrack_snmp.h>
 
 #define SNMP_PORT	161