net: lantiq_etop: remove unnecessary space in cast

As reported by checkpatch.pl, no space is necessary after a cast.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/lantiq_etop.c

@@ -498,7 +498,7 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
 	netif_trans_update(dev);
 
 	spin_lock_irqsave(&priv->lock, flags);
-	desc->addr = ((unsigned int) dma_map_single(&priv->pdev->dev, skb->data, len,
+	desc->addr = ((unsigned int)dma_map_single(&priv->pdev->dev, skb->data, len,
 						DMA_TO_DEVICE)) - byte_offset;
 	/* Make sure the address is written before we give it to HW */
 	wmb();