cgroups: increase buffer size for connector messages
cgroups: increase buffer size for connector messages

This change assumes that it might be possible to run the compiled version of the
plugin even if the kernel connector interface has extended size of proc_event.

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