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/core/neighbour.c b/net/core/neighbour.c
index 2d3e6fc..434eed8 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -890,7 +890,7 @@
 {
 	unsigned long now, next;
 	struct neighbour *neigh = (struct neighbour *)arg;
-	unsigned state;
+	unsigned int state;
 	int notify = 0;
 
 	write_lock(&neigh->lock);