net: cleanup unsigned to unsigned int

Use of "unsigned int" is preferred to bare "unsigned" in net tree.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 1c51d7a..743262b 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -97,7 +97,7 @@
 
 static int nr_header(struct sk_buff *skb, struct net_device *dev,
 		     unsigned short type,
-		     const void *daddr, const void *saddr, unsigned len)
+		     const void *daddr, const void *saddr, unsigned int len)
 {
 	unsigned char *buff = skb_push(skb, NR_NETWORK_LEN + NR_TRANSPORT_LEN);