staging: dgnc: fix 80 characters per line limitation and code indent warnings.

This is a patch to the dgnc_cls.c file that
fixes up 80 characters per line and code indent
warnings found by the checkpatch.pl tool.
Signed-off-by: S. Stalin Srinivasan <stalinsrinivasan.s@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>