message: PWGGA/GammaConv - fix streamer error
diff: @@ -127,7 +127,7 @@ class AliAODConversionPhoton : public AliAODConversionParticle, public AliConver
  Char_t fCaloPhoton; //!
  Bool_t fUseForMesonPair; //!
  - ClassDef(AliAODConversionPhoton,10)
  + ClassDef(AliAODConversionPhoton,11)
  };
  