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/dns_resolver/internal.h b/net/dns_resolver/internal.h
index 189ca9e..17c7886 100644
--- a/net/dns_resolver/internal.h
+++ b/net/dns_resolver/internal.h
@@ -31,7 +31,7 @@
 /*
  * debug tracing
  */
-extern unsigned dns_resolver_debug;
+extern unsigned int dns_resolver_debug;
 
 #define	kdebug(FMT, ...)				\
 do {							\