ucc_geth: fix compilation

Currently qe_bd_t is used in the macro call -- dma_unmap_single,
which is a no-op on PPC32, thus error is hidden today. Starting
with 2.6.24, macro will be replaced by the empty static function,
and erroneous use of qe_bd_t will trigger compilation error.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/ucc_geth.c

@@ -2148,7 +2148,7 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
 		for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
 			if (ugeth->tx_skbuff[i][j]) {
 				dma_unmap_single(NULL,
-						 ((qe_bd_t *)bd)->buf,
+						 ((struct qe_bd *)bd)->buf,
 						 (in_be32((u32 *)bd) &
 						  BD_LENGTH_MASK),
 						 DMA_TO_DEVICE);