net: fix typo in freescale/ucc_geth.c

[Michael Neuling]

The following patch: 
  acb600d net: remove skb recycling
added dev_free_skb() to drivers/net/ethernet/freescale/ucc_geth.c

This is a typo and should be dev_kfree_skb().  This fixes this.

Signed-off-by: Michael Neuling <mikey at neuling.org>
---
This hit as a compile error in next-20121008 with mpc85xx_defconfig.

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index dfa0aaa..0a70bb5 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3268,7 +3268,7 @@ static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit
 			if (netif_msg_rx_err(ugeth))
 				ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
 					   __func__, __LINE__, (u32) skb);
-			dev_free_skb(skb);
+			dev_kfree_skb(skb);
 
 			ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
 			dev->stats.rx_dropped++;