[NETLINK]: Convert netlink users to use group numbers instead of bitmasks

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 84efffd..36a4c5fb 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -198,7 +198,7 @@
 	int allocation = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
 	int err = 0;
 
-	NETLINK_CB(skb).dst_groups = group;
+	NETLINK_CB(skb).dst_group = group;
 	if (echo)
 		atomic_inc(&skb->users);
 	netlink_broadcast(nfnl, skb, pid, group, allocation);