[IPV6]: Replace sk_buff ** with sk_buff * in input handlers

With all the users of the double pointers removed from the IPv6 input path,
this patch converts all occurances of sk_buff ** to sk_buff * in IPv6 input
handlers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 6e252f3..2d3fda60 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -6,7 +6,7 @@
 #include <net/addrconf.h>
 #include <net/inet_common.h>
 
-extern int  	__udp6_lib_rcv(struct sk_buff **, struct hlist_head [], int );
+extern int  	__udp6_lib_rcv(struct sk_buff *, struct hlist_head [], int );
 extern void 	__udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,
 			       int , int , int , __be32 , struct hlist_head []);