be found, fallback to /etc/sensors.conf. This allows for an old
libsensors and a new libsensors to be installed in parallel, and each
one has its own configuration file.
One important change here is that the default configuration file will
be installed as /etc/sensors3.conf by "make install".
git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@4990 7894878c-1315-0410-8ee3-d5d059ff63e0