main-coverity-MCTruth

[minor] Coverity defects 16833, 16834 addressed (COPY_INSTEAD_OF_MOVE). Also tidied headers and moved an enum out of global namespace into class.

Simulation/G4Sim/MCTruth/MCTruth/AtlasG4EventUserInfo.h

@@ -64,7 +64,7 @@ public:
    * time an interaction of the G4Track is recorded to the
    * HepMC::GenEvent. TODO Rename
    */
-  void SetCurrentGenParticle(HepMC::GenParticlePtr p) {m_currentlyTraced=std::move(p);}
+  void SetCurrentGenParticle(HepMC::GenParticlePtr p) {m_currentGenParticle = std::move(p);}
 
   /**
    * @brief return the value of G4Track::GetTrackID() for the last