r8169: fix setting rx vlan

The setting should depend on the new features not the current one.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169.c

@@ -1796,7 +1796,7 @@ static void __rtl8169_set_features(struct net_device *dev,
 		else
 			tp->cp_cmd &= ~RxChkSum;
 
-		if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
+		if (features & NETIF_F_HW_VLAN_CTAG_RX)
 			tp->cp_cmd |= RxVlan;
 		else
 			tp->cp_cmd &= ~RxVlan;