message: init TGrid::Connect when external file provided
diff: #include <TObjArray.h>
  #include <TFile.h>
  +#include <TGrid.h>
  #include "AliEMCALGeometry.h"
  #include "AliOADBContainer.h"
  #include "AliEMCALRecoUtils.h"
  @@ -162,10 +163,12 @@ Int_t AliEmcalCorrectionCellEnergy::InitRecalib()
  { //if custom recalib requested
  AliInfo(Form("Loading custom Recalib OADB from given path %s",fCustomRecalibFilePath.Data()));
  + TGrid::Connect("alien:///");
  +
  recalibFile = std::unique_ptr<TFile>(TFile::Open(Form("%s",fCustomRecalibFilePath.Data()),"read"));
  if (!recalibFile || recalibFile->IsZombie())
  {
  - AliFatal(Form("Recalibration not file found. Provided path was: %s",fCustomRecalibFilePath.Data()));
  + AliFatal(Form("Recalibration file not found. Provided path was: %s",fCustomRecalibFilePath.Data()));
  return 0;
  }
  