wd719x: add missing .module to wd719x_template

wd719x_template is missing the .module field, causing module refcount
not to work, allowing to rmmod the driver while in use (mounted filesystem),
causing an oops.

Set .module to THIS_MODULE to fix the problem.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>