DerivationFrameworkMCTruth clang llvm9 fix warnings on inconsistent enum
/build/atnight/localbuilds/nightlies/master/athena/PhysicsAnalysis/DerivationFramework/DerivationFrameworkMCTruth/src/GenFilterTool.cxx:60:10: warning: comparison of two values with different enumeration types in switch statement ('MCTruthPartClassifier::ParticleOrigin' and 'MCTruthPartClassifier::ParticleType') [-Wenum-compare-switch]
case Unknown:
^~~~~~~
Mentioning @ssnyder who is looking on some of those