staging: ozwpan: Fix coding style.

This patch fixes coding style issues reported by Dan here:-
http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2012-June/027767.html



Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>