[NETFILTER]: Replace sk_buff ** with sk_buff *

With all the users of the double pointers removed, this patch mops up by
finally replacing all occurances of sk_buff ** in the netfilter API by
sk_buff *.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index 9d74dee..74262e9 100644
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -14,16 +14,16 @@
 #include <linux/module.h>
 #include <net/sock.h>
 
-static int ebt_target_dnat(struct sk_buff **pskb, unsigned int hooknr,
+static int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
    const struct net_device *in, const struct net_device *out,
    const void *data, unsigned int datalen)
 {
 	struct ebt_nat_info *info = (struct ebt_nat_info *)data;
 
-	if (skb_make_writable(*pskb, 0))
+	if (skb_make_writable(skb, 0))
 		return NF_DROP;
 
-	memcpy(eth_hdr(*pskb)->h_dest, info->mac, ETH_ALEN);
+	memcpy(eth_hdr(skb)->h_dest, info->mac, ETH_ALEN);
 	return info->target;
 }