Staging: comedi: fix line over 80 characters warning

This is patch to file jr3_pci.h that fix up warning line
over 80 character which is found by checkpatch tool.

Signed-off-by: Jitendra Kumar Khasdev <jkhasdev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>