message: Fix abs -> TMath::Abs in AliHMPIDTaskQA
  This changes the bahvaior of the task! Clearly, the code intends to compare doubles (explicit type) but the integer abs() is used.
diff: @@ -341,7 +341,7 @@ void AliHMPIDTaskQA::UserCreateOutputObjects() {
  //____________________________________________________________________________________________________________________________________
  Bool_t AliHMPIDTaskQA::Equal(Double_t x, Double_t y, Double_t tolerance)
  {
  - return abs(x - y) <= tolerance ;
  + return TMath::Abs(x - y) <= tolerance ;
  }
  #endif
  