fixing typos in copyright issue notice

Detectors/ITSMFT/MFT/calibration/src/NoiseCalibratorSpec.cxx

@@ -1,13 +1,13 @@
-//  Copyright 2019-2020 CERN and copyright holders of ALICE O2.
-//  See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
-//  All rights not expressly granted are reserved.
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
 //
-//  This software is distributed under the terms of the GNU General Public
-//  License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
 //
-//  In applying this license CERN does not waive the privileges and immunities
-//  granted to it by virtue of its status as an Intergovernmental Organization
-//  or submit itself to any jurisdiction.
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
 
 /// @file   NoiseCalibratorSpec.cxx