message: Fix ROOT6 build
diff: #include <TPaveText.h>
  #include "Fit/BinData.h"
  #include "HFitInterface.h"
  +#include <vector>
  #include "AliVertexingHFUtils.h"
  @@ -195,7 +196,7 @@ Bool_t AliHFVnVsMassFitter::SimultaneusFit(Bool_t drawFit) {
  if(!massprefit) {AliError("Impossible to perform the mass prefit"); return kFALSE;}
  Bool_t vnprefit=VnSBPrefit();
  - vector<Double_t> initpars;
  + std::vector<Double_t> initpars;
  for(Int_t iBkgPar=0; iBkgPar<fNParsMassBkg; iBkgPar++) {
  initpars.push_back(fMassFuncFromPrefit->GetParameter(iBkgPar));
  }
  @@ -256,7 +257,7 @@ Bool_t AliHFVnVsMassFitter::SimultaneusFit(Bool_t drawFit) {
  // (specify optionally data size and flag to indicate that is a chi2 fit
  fitter.FitFCN(nparsvn,globalChi2,0,dataMass.Size()+dataVn.Size(),kFALSE);
  ROOT::Fit::FitResult result = fitter.Result();
  - result.Print(cout);
  + result.Print(std::cout);
  //set parameters in every function
  fVnBkgFunc = new TF1("fVnBkgFunc",this,&AliHFVnVsMassFitter::vnBkgFunc,fMassMin,fMassMax,fNParsVnBkg,"AliHFVnVsMassFitter","vnBkgFunc");
  