staging: lustre: Fix block comments style

This patch fixes the checkpatch.pl warning:

WARNING:BLOCK_COMMENT_STYLE: Block comments use a trailing */ on a separate line

Signed-off-by: Sabin Mihai Rapan <sabin.rapan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>