Update file header comments in v0cascadesqa.cxx

Author: romainschotter

PWGLF/Tasks/QC/v0cascadesqa.cxx

@@ -9,8 +9,10 @@
 // granted to it by virtue of its status as an Intergovernmental Organization
 // or submit itself to any jurisdiction.
 //
+/// \file v0cascadesqa.cxx
 /// \brief QA task for V0s and Cascades
 ///
+///
 /// In case of questions please write to:
 /// \author Aimeric Landou (aimeric.landou@cern.ch)
 /// \author Chiara De Martin (chiara.de.martin@cern.ch)