sctp: Make the mib per network namespace

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h
index 9c20a82..06ccddf 100644
--- a/include/net/netns/sctp.h
+++ b/include/net/netns/sctp.h
@@ -3,8 +3,11 @@
 
 struct sock;
 struct proc_dir_entry;
+struct sctp_mib;
 
 struct netns_sctp {
+	DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics);
+
 #ifdef CONFIG_PROC_FS
 	struct proc_dir_entry *proc_net_sctp;
 #endif