unix: Set queuer in set_peer

For SCM restore we need to know all queuers, even if they are
socketpair-s, but current code skips this setting for one
half of them. So set this info for every socket out there.
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/sk-unix.c

@@ -1457,6 +1457,8 @@ static void set_peer(struct unix_sk_info *ui, struct unix_sk_info *peer)
 {
 	ui->peer = peer;
 	list_add(&ui->node, &peer->connected);
+	if (!peer->queuer)
+		peer->queuer = ui->ue->ino;
 }
 
 static void interconnected_pair(struct unix_sk_info *ui, struct unix_sk_info *peer)
@@ -1496,8 +1498,6 @@ static int resolve_unix_peer(struct unix_sk_info *ui)
 	}
 
 	set_peer(ui, peer);
-	if (!peer->queuer)
-		peer->queuer = ui->ue->ino;
 	if (ui == peer)
 		/* socket connected to self %) */
 		goto out;