message: do not try to calculate goldenChi2 for tracks w/o TPC
diff: @@ -2595,7 +2595,8 @@ void AliAnalysisTaskESDfilter::CopyChi2TPCConstrainedVsGlobal(AliESDtrack *esdt,
  {
  - if(esdt->GetCachedChi2TPCConstrainedVsGlobalVal()>-5){ //Golden chi2 is from AliESDtrackCuts
  + if(esdt->GetCachedChi2TPCConstrainedVsGlobalVal()>-5 || !esdt->IsOn(AliESDtrack::kTPCin)){
  + //Golden chi2 is from AliESDtrackCuts or no TPC track
  aodt->SetChi2TPCConstrainedVsGlobal(esdt->GetCachedChi2TPCConstrainedVsGlobalVal());
  }else{ //Golden chi2 is not calculated in AliESDtrackCuts. Do calculate here.
  const AliESDEvent* esdEvent = esdt->GetESDEvent();
  