- Move system bus activation helper to /{lib,lib64}/dbus-1. Also set the
        correct mode and permissions.
    - Own the directory /usr/share/dbus-1/system-services
    - Delete the diretory /{lib,lib64}/dbus-1.0 as it's not used
    - Pass 'dbus' instead of 81 as --with-dbus-user; otherwise the setuid
        system bus activation helper fails