sctp: fix a typo in prototype of __sctp_rcv_lookup()

Just to avoid confusion when people only reads this prototype.
Signed-off-by: NNicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: NVlad Yasevich <vyasevich@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sctp/input.c

@@ -68,8 +68,8 @@
 static int sctp_rcv_ootb(struct sk_buff *);
 static struct sctp_association *__sctp_rcv_lookup(struct net *net,
 				      struct sk_buff *skb,
-				      const union sctp_addr *laddr,
 				      const union sctp_addr *paddr,
+				      const union sctp_addr *laddr,
 				      struct sctp_transport **transportp);
 static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(struct net *net,
 						const union sctp_addr *laddr);