staging: lustre: fid: Remove space before braces for defined() check

checkpatch complains about three places where a space is prohibited
before the braces for an "#if defined()" check. This patch removes
the spaces.

Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>