Staging: comedi: fix brace, print(k) and over 80 character coding style issues in adv_pci1723.c

This is a Patch to the adv_pci1723.c file that fixes up brace, print(k) and over 80 character warnings found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>