message: PWGGA/GammaConv: excluded decision container from linkdef
diff: #pragma link C++ class AliCaloTrackMatcher+;
  #pragma link C++ class AliPhotonIsolation+;
  -// #pragma link C++ class AliEmcalTriggerDecisionContainer+;
  -
  // User tasks
  #pragma link C++ class AliDalitzAODESD+;
  #pragma link C++ class AliDalitzAODESDMC+;
  