- rhbz 43294: the kernel provides no io stats, configure to compensate
    - rhbz 133077: logrotate fixed to continue accounting during rotate
    - rhbz 141802: lastcomm was not handling all forms of --strict-match
    - rhbz 141971: rpm -e no longer leaves /var/lock/subsys/psacct
    - rhbz 43294: sa will never report any io because the kernel doesn't
        provide it. Tweaked configure.in to ignore ac_io in acct.h