staging: comedi: drivers: pcl816.c remove leading space

Checkpatch.pl warning - suspect code indent for conditional statements -
is corrected

Signed-off-by: Chandra S Gorentla <csgorentla@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>