Staging: lustre: fix a brace coding style issue in fsfilt.c

This is a patch to the fsfilt.c file that fixes up a brace warning found by the
checkpatch.pl tool.

Signed-off-by: Jon Bernard <jbernard@tuxion.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>