[SCTP]: More trivial sctp annotations.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index a015283..e255a70 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -351,7 +351,7 @@
 	struct sctp_remote_error *sre;
 	struct sk_buff *skb;
 	sctp_errhdr_t *ch;
-	__u16 cause;
+	__be16 cause;
 	int elen;
 
 	ch = (sctp_errhdr_t *)(chunk->skb->data);