wan: convert drivers to netdev_tx_t

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index aff4f6bd..d1e3c67 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -147,7 +147,8 @@
 /*
  *	Send a LAPB frame via an ethernet interface
  */
-static int lapbeth_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
+				      struct net_device *dev)
 {
 	int err;