[PKT_SCHED]: annotate cls_u32

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/em_u32.c b/net/sched/em_u32.c
index 112796e..953f147 100644
--- a/net/sched/em_u32.c
+++ b/net/sched/em_u32.c
@@ -35,7 +35,7 @@
 	if (!tcf_valid_offset(skb, ptr, sizeof(u32)))
 		return 0;
 
-	return !(((*(u32*) ptr)  ^ key->val) & key->mask);
+	return !(((*(__be32*) ptr)  ^ key->val) & key->mask);
 }
 
 static struct tcf_ematch_ops em_u32_ops = {