cms-sw/cmssw — pull request #2806 by Dr15Jones (2014-03-11 14:45:16+00:00)
Title: Fixed thread-safety issues with GeometricDetExtra

The unused method setGeomgraphicalId was const and was used to change
a mutable. By changing the method to non-const we could get rid of the
mutable and solve the thread-safety issue. No other code is affected
by this change.