drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/gt64240eth.h b/drivers/net/gt64240eth.h
index 7e7af0d..0d6f486 100644
--- a/drivers/net/gt64240eth.h
+++ b/drivers/net/gt64240eth.h
@@ -25,7 +25,7 @@
  *
  * Ethernet driver definitions for the MIPS GT96100 Advanced
  * Communication Controller.
- * 
+ *
  * Modified for the Marvellous GT64240 Retarded Communication Controller.
  */
 #ifndef _GT64240ETH_H