USB: opticon: remove redundant initialisation

Remove redundant zero-initialisation of outstanding-urbs field in
kzalloced struct.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index f81ffb0..2fc3dfc5 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -486,7 +486,6 @@
 	spin_lock_init(&priv->lock);
 	priv->serial = serial;
 	priv->port = serial->port[0];
-	priv->outstanding_urbs = 0;	/* Init the outstanding urbs */
 
 	/* find our bulk endpoint */
 	intf = serial->interface->altsetting;