drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index bfa674e..f2c8e0d 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -221,7 +221,7 @@
    If dev->base_addr == 1, always return failure.
    If dev->base_addr == 2, allocate space for the device and return success
    (detachable devices only).
-   
+
    FIXME: we should use the parport layer for this
    */
 static int __init atp_init(void)