Adding missing member to GoverningDecider.
Adding missing member to GoverningDecider.

- Fixes broken the build.

Change-Id: I60db94b3d49ae45f4b70e34351fbd250f6ae2992
Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>

sssylvester/geopm,cmcantalupo/geopm,geopm/geopm,sssylvester/geopm,geopm/geopm,sssylvester/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,sssylvester/geopm