ANDROID: xt_qtaguid: Fix socket lookup

Upstream commit 8db4c5be88f6 ("netfilter: move socket lookup
infrastructure to nf_socket_ipv{4,6}.c")] moved socket lookup
to nf_socket_ipv{4,6}.c, hence use nf_sk_lookup_slow_v[4|6]()
instead of obsolete xt_socket_lookup_slow_v[4|6]().

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/include/uapi/linux/netfilter/xt_socket.h b/include/uapi/linux/netfilter/xt_socket.h
index 7f00df6..87644f8 100644
--- a/include/uapi/linux/netfilter/xt_socket.h
+++ b/include/uapi/linux/netfilter/xt_socket.h
@@ -26,11 +26,4 @@
 			   | XT_SOCKET_NOWILDCARD \
 			   | XT_SOCKET_RESTORESKMARK)
 
-struct sock *xt_socket_lookup_slow_v4(struct net *net,
-				      const struct sk_buff *skb,
-				      const struct net_device *indev);
-struct sock *xt_socket_lookup_slow_v6(struct net *net,
-				      const struct sk_buff *skb,
-				      const struct net_device *indev);
-
 #endif /* _XT_SOCKET_H */
diff --git a/net/netfilter/xt_qtaguid.c b/net/netfilter/xt_qtaguid.c
index 0f5628a..44db68b 100644
--- a/net/netfilter/xt_qtaguid.c
+++ b/net/netfilter/xt_qtaguid.c
@@ -1590,10 +1590,10 @@
 
 	switch (par->family) {
 	case NFPROTO_IPV6:
-		sk = xt_socket_lookup_slow_v6(dev_net(skb->dev), skb, par->in);
+		sk = nf_sk_lookup_slow_v6(dev_net(skb->dev), skb, par->in);
 		break;
 	case NFPROTO_IPV4:
-		sk = xt_socket_lookup_slow_v4(dev_net(skb->dev), skb, par->in);
+		sk = nf_sk_lookup_slow_v4(dev_net(skb->dev), skb, par->in);
 		break;
 	default:
 		return NULL;