mrp: make mrp_rcv static

Sparse spotted local function that could be static.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/802/mrp.c

@@ -744,7 +744,7 @@ static int mrp_pdu_parse_msg(struct mrp_applicant *app, struct sk_buff *skb,
 	return 0;
 }
 
-int mrp_rcv(struct sk_buff *skb, struct net_device *dev,
+static int mrp_rcv(struct sk_buff *skb, struct net_device *dev,
 		   struct packet_type *pt, struct net_device *orig_dev)
 {
 	struct mrp_application *appl = container_of(pt, struct mrp_application,