staging: lustre: fixed bad alignment

This patch fixes 7 bad alignments. When a line is split on
more than one line, the other lines must be aligned with
paranthesis.
Signed-off-by: NMario Bambagini <mario.bambagini@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>