tcp: Namespace-ify sysctl_tcp_adv_win_scale

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 63f91d5..9dbb07d 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -140,6 +140,7 @@ struct netns_ipv4 {
 	int sysctl_tcp_max_reordering;
 	int sysctl_tcp_dsack;
 	int sysctl_tcp_app_win;
+	int sysctl_tcp_adv_win_scale;
 	struct inet_timewait_death_row tcp_death_row;
 	int sysctl_max_syn_backlog;
 	int sysctl_tcp_fastopen;