drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/bmac.h b/drivers/net/bmac.h
index df3b93d..a1d19d8 100644
--- a/drivers/net/bmac.h
+++ b/drivers/net/bmac.h
@@ -14,7 +14,7 @@
  * (HME) controller.  See sunhme.h
  */
 
- 
+
 /* register offsets */
 
 /* global status and control */