usbnet: convert 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/usb/hso.c b/drivers/net/usb/hso.c
index ffe4106..123f9b8 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -771,7 +771,8 @@
 }
 
 /* called by kernel when we need to transmit a packet */
-static int hso_net_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb,
+					    struct net_device *net)
 {
 	struct hso_net *odev = netdev_priv(net);
 	int result;