message: Use mult slection for centrality
diff: @@ -121,8 +121,8 @@ AliRsnMiniAnalysisTask * AddTaskF0
  // -- MULTIPLICITY/CENTRALITY -------------------------------------------------------------------
  //-----------------------------------------------------------------------------------------------
  if (collSys==AliPIDResponse::kPP) task->UseMultiplicity("AliMultSelection_V0M");
  - if (collSys==AliPIDResponse::kPPB) task->UseCentrality("AliMultSelection_V0A");
  - if (collSys==AliPIDResponse::kPBPB) task->UseCentrality("AliMultSelection_V0M");
  + if (collSys==AliPIDResponse::kPPB) task->UseMultiplicity("AliMultSelection_V0A");
  + if (collSys==AliPIDResponse::kPBPB) task->UseMultiplicity("AliMultSelection_V0M");
  //-----------------------------------------------------------------------------------------------
  // -- EVENT MIXING CONFIG -----------------------------------------------------------------------
  