fec: convert TX hook to netdev_tx_t

Convert TX hook return value to netdev_tx_t

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index ddf7a86..b896f68 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -210,7 +210,7 @@
 /* Transmitter timeout */
 #define TX_TIMEOUT (2 * HZ)
 
-static int
+static netdev_tx_t
 fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct fec_enet_private *fep = netdev_priv(dev);