message: Fix in initial guess for signal extraction
diff: @@ -766,10 +766,10 @@ Bool_t AliStrangenessModule::PerformSignalExtraction( TH1D *lHisto, Double_t &lS
  Double_t lAverageBg = lHisto->Integral(lBinLeftBgLo,lBinLeftBgHi )+lHisto->Integral(lBinRightBgLo,lBinRightBgHi) ;
  lAverageBg = lAverageBg / ( lValLeftBgHi-lValLeftBgLo + lValRightBgHi-lValRightBgLo);
  - Double_t lLeftY = lHisto->Integral(lBinLeftBgLo, lBinLeftBgHi ) / (lValLeftBgHi -lValLeftBgLo );
  + Double_t lLeftY = lHisto->Integral(lBinLeftBgLo, lBinLeftBgHi ) / (lBinLeftBgHi - lBinLeftBgLo + 1 );
  Double_t lLeftX = 0.5*(lValLeftBgHi+lValLeftBgLo );
  - Double_t lRightY = lHisto->Integral(lBinRightBgLo,lBinRightBgHi ) / (lValRightBgHi-lValRightBgLo);
  + Double_t lRightY = lHisto->Integral(lBinRightBgLo,lBinRightBgHi ) / (lBinRightBgHi - lBinRightBgLo + 1 );
  Double_t lRightX = 0.5*(lValRightBgHi+lValRightBgLo );
  Double_t lGuessedSlope = (lRightY-lLeftY)/(lRightX-lLeftX);
  