message: fix compilation warning on Root6, conflict between /* and // comments applied at the same time
diff: /**************************************************************************
  -//* This file is property of and copyright by the ALICE HLT Project *
  -//* ALICE Experiment at CERN, All rights reserved. *
  -//* *
  -//* Primary Authors: Rudiger Haake <ruediger.haake@cern.ch>, Yale *
  -//* for The ALICE HLT Project. *
  -//* *
  -//* Permission to use, copy, modify and distribute this software and its *
  -//* documentation strictly for non-commercial purposes is hereby granted *
  -//* without fee, provided that the above copyright notice appears in all *
  -//* copies and that both the copyright notice and this permission notice *
  -//* appear in the supporting documentation. The authors make no claims *
  -//* about the suitability of this software for any purpose. It is *
  -//* provided "as is" without express or implied warranty. *
  -//**************************************************************************/
  +* This file is property of and copyright by the ALICE HLT Project *
  +* ALICE Experiment at CERN, All rights reserved. *
  +* *
  +* Primary Authors: Rudiger Haake <ruediger.haake@cern.ch>, Yale *
  +* for The ALICE HLT Project. *
  +* *
  +* Permission to use, copy, modify and distribute this software and its *
  +* documentation strictly for non-commercial purposes is hereby granted *
  +* without fee, provided that the above copyright notice appears in all *
  +* copies and that both the copyright notice and this permission notice *
  +* appear in the supporting documentation. The authors make no claims *
  +* about the suitability of this software for any purpose. It is *
  +* provided "as is" without express or implied warranty. *
  +**************************************************************************/
  // AliRoot/EMCal system
  