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/mpoa_proc.c b/net/atm/mpoa_proc.c
index 53e5002..5bdd300 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -207,7 +207,7 @@
 			      size_t nbytes, loff_t *ppos)
 {
 	char *page, *p;
-	unsigned len;
+	unsigned int len;
 
 	if (nbytes == 0)
 		return 0;