xfce4-cpufreq-plugin & xfce4-cpugraph-plugin -> libxfce4ui

[Andreas Müller]

Hi,

could somebody review / test / comment [1-2]. If already in progress: sorry for noise

Thanks

Andreas

[1] https://bugzilla.xfce.org/show_bug.cgi?id=8051
[2] https://bugzilla.xfce.org/show_bug.cgi?id=8052