tun: Fix SIOCSIFHWADDR error.

Set proper operations.

Signed-off-by: Kusanagi Kouichi <slash@ma.neweb.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 666c1d9..69f9a0e 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -343,7 +343,7 @@
 		break;
 
 	case TUN_TAP_DEV:
-		dev->netdev_ops = &tun_netdev_ops;
+		dev->netdev_ops = &tap_netdev_ops;
 		/* Ethernet TAP Device */
 		ether_setup(dev);