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/atm/signaling.c b/net/atm/signaling.c
index 509c8ac..86767ca 100644
--- a/net/atm/signaling.c
+++ b/net/atm/signaling.c
@@ -166,7 +166,7 @@
 {
 	struct sk_buff *skb;
 	struct atmsvc_msg *msg;
-	static unsigned session = 0;
+	static unsigned int session = 0;
 
 	pr_debug("%d (0x%p)\n", (int)type, vcc);
 	while (!(skb = alloc_skb(sizeof(struct atmsvc_msg), GFP_KERNEL)))