Fixed display rate reporting if system reports bogus values.
Fixed display rate reporting if system reports bogus values.

hoodie/libavg,th3infinity/libavg,libavg/libavg,libavg/libavg,th3infinity/libavg,th3infinity/libavg,hoodie/libavg,libavg/libavg,hoodie/libavg,hoodie/libavg,libavg/libavg,th3infinity/libavg