message: tell the common hist object which harmonic we're looking at
diff: @@ -128,7 +128,7 @@ void AliFlowAnalysisWithSimpleSP::Init() {
  tQARelated->SetName("QA");
  tQARelated->SetOwner();
  - fCommonHists = new AliFlowCommonHist("AliFlowCommonHist_SP","AliFlowCommonHist",fMinimalBook);
  + fCommonHists = new AliFlowCommonHist("AliFlowCommonHist_SP","AliFlowCommonHist",fMinimalBook, fHarmonic);
  (fCommonHists->GetHarmonic())->Fill(0.5,fHarmonic); // store harmonic
  fHistList->Add(fCommonHists);
  