[SCTP]: Trivial sctp endianness annotations.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 764e3af..215461f 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -585,7 +585,7 @@
 }
 
 /* Convert from an address parameter type to an address family.  */
-static inline int param_type2af(__u16 type)
+static inline int param_type2af(__be16 type)
 {
 	switch (type) {
 	case SCTP_PARAM_IPV4_ADDRESS: