mib: add net to NET_INC_STATS

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index bc8559a..85f0829 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -319,7 +319,7 @@
 void tcp_enter_memory_pressure(struct sock *sk)
 {
 	if (!tcp_memory_pressure) {
-		NET_INC_STATS(LINUX_MIB_TCPMEMORYPRESSURES);
+		NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPMEMORYPRESSURES);
 		tcp_memory_pressure = 1;
 	}
 }