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/ipv6.h b/include/net/ipv6.h
index e4170a2..2d3fca37 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -345,7 +345,7 @@
 static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
 				      unsigned int prefixlen)
 {
-	unsigned pdw, pbi;
+	unsigned int pdw, pbi;
 
 	/* check complete u32 in prefix */
 	pdw = prefixlen >> 5;