drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/gianfar_mii.h b/drivers/net/gianfar_mii.h
index d527cf2..5d34004 100644
--- a/drivers/net/gianfar_mii.h
+++ b/drivers/net/gianfar_mii.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * drivers/net/gianfar_mii.h
  *
  * Gianfar Ethernet Driver -- MII Management Bus Implementation