[PATCH] Fix bug in rpc cache_clean introduced by previous patch

Having a 'continue' at the end of this look it pointless... it should
be a break.

net/sunrpc/cache.c

@@ -319,8 +319,8 @@ int cache_clean(void)
 			if (test_and_clear_bit(CACHE_PENDING, &ch->flags))
 				queue_loose(current_detail, ch);
 
-			if (atomic_read(&ch->refcnt))
-				continue;
+			if (!atomic_read(&ch->refcnt))
+				break;
 		}
 		if (ch) {
 			cache_get(ch);