Staging: dgnc: fixed brace coding style issue in dgnc_driver.c

This is a patch to the dgnc_driver.c file that fixes the following
error:
ERROR: open brace '{' following function declarations go on
the next line

Signed-off-by: Vincent Heuken <me@vincentheuken.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>