gkrellm: build against libsensors
This update fixes the following issue with gkrellm:
- bnc#803081, bnc#803967: really build against libsensors
- Submitted by Petr Gajdos (pgajdos)
Fixed bugs
bnc#803081
gkrellm, does not apllies sensor-config settings
bnc#803967
gkrellm, bad labels, bad mesure