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/include/net/icmp.h b/include/net/icmp.h
index ce70a58..9ac2524 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -25,7 +25,7 @@
 
 struct icmp_err {
   int		errno;
-  unsigned	fatal:1;
+  unsigned int	fatal:1;
 };
 
 extern const struct icmp_err icmp_err_convert[];