staging: comedi/drivers/pcl.* coding style fixes

pcl812.c / pcl816.c (resend of earlier patch)
   Fixed indentation problems.

Signed-off-by: Matthew Needes <mneedes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>