drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 0e5344f..264723b 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -1602,7 +1602,7 @@
 
 		synchronize_irq(dev->irq);
 		netif_tx_disable(dev);
-	
+
 		np->stats.rx_missed_errors += ioread32(ioaddr + RxMissed) & 0xffff;
 
 		/* no more hardware accesses behind this line. */