message: Fix reorder AliAnalysisBGMonitorQATrain
  Only ordered initialization of data members in ctor according to class definition
diff: @@ -56,13 +56,13 @@ fSpdC1(0),
  fSpdC2(0),
  fSpdT(0),
  ntracks(0),
  -bgID(0),
  -ntr(0),
  -nbunch(0),
  nV0A(0),
  nV0C(0),
  nV0ABG(0),
  nV0CBG(0)
  +bgID(0),
  +ntr(0),
  +nbunch(0),
  {
  }
  //________________________________________________________________________
  @@ -77,13 +77,13 @@ fSpdC1(0),
  fSpdC2(0),
  fSpdT(0),
  ntracks(0),
  -bgID(0),
  -ntr(0),
  -nbunch(0),
  nV0A(0),
  nV0C(0),
  nV0ABG(0),
  nV0CBG(0)
  +bgID(0),
  +ntr(0),
  +nbunch(0),
  {
  // Constructor
  DefineInput(0, TChain::Class());
  