[SCTP]: sctp_make_asconf_update_ip() and sctp_find_unmatch_addr().

... switched to taking and returning pointers to net-endian
sctp_addr resp.  Together, since the only user of sctp_find_unmatch_addr()
just passes its value to sctp_make_asconf_update_ip().
sctp_make_asconf_update_ip() is actually endian-agnostic.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/bind_addr.c

@@ -345,7 +345,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr	*bp,
 			addr_buf += af->sockaddr_len;
 		}
 		if (i == addrcnt)
-			return &laddr->a_h;
+			return &laddr->a;
 	}
 
 	return NULL;