If xfce4-power-manager has never been used to change dpms settings, the default timings are not registered in xfconf. This version makes sure, that the xfconf properties we use, are created if necessary.
If xfce4-power-manager has never been used to change dpms settings, the default timings are not registered in xfconf. This version makes sure, that the xfconf properties we use, are created if necessary.