cgrp: allow locked OOM adjustment to be re-locked to a different value.
cgrp: allow locked OOM adjustment to be re-locked to a different value.

jusa/ohm-plugins-misc,maemo-foss/maemo-multimedia-ohm-plugins-misc,maemo-foss/maemo-multimedia-ohm-plugins-misc,tswindell/ohm-plugins-misc,maemo-foss/maemo-multimedia-ohm-plugins-misc,jusa/ohm-plugins-misc,jusa/ohm-plugins-misc,tswindell/ohm-plugins-misc,jusa/ohm-plugins-misc,tswindell/ohm-plugins-misc