message: PWGPP/TRD/TRDPID: Increase ClassDef
diff: @@ -181,6 +181,6 @@ class AliTRDPIDTree : public AliAnalysisTaskSE {
  AliTRDPIDTree(const AliTRDPIDTree&); // not implemented
  AliTRDPIDTree& operator=(const AliTRDPIDTree&); // not implemented
  - ClassDef(AliTRDPIDTree, 3);
  + ClassDef(AliTRDPIDTree, 4);
  };
  #endif
  