[NET]: annotate csum_ipv6_magic() callers in net/*

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/udplite.h b/include/net/udplite.h
index 1473b3e..406eb75 100644
--- a/include/net/udplite.h
+++ b/include/net/udplite.h
@@ -124,10 +124,10 @@
 	return cscov;
 }
 
-static inline u32 udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb)
+static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb)
 {
-	u32 csum = 0;
 	int off, len, cscov = udplite_sender_cscov(udp_sk(sk), skb->h.uh);
+	__wsum csum = 0;
 
 	skb->ip_summed = CHECKSUM_NONE;     /* no HW support for checksumming */