Avoid copyright confusion ;)

src/problem/Solvers.cpp

-// GmshDDM - Copyright (C) 2019-2022, A. Royer, C. Geuzaine, B. Martin, Université de Liège
+// GmshDDM - Copyright (C) 2019-2021, A. Royer, C. Geuzaine, B. Martin, Université de Liège
+// GmshDDM - Copyright (C) 2022, A. Royer, C. Geuzaine, B. Martin, Université de Liège
 //
 // See the LICENSE.txt file for license information. Please report all
 // issues on https://gitlab.onelab.info/gmsh/ddm/issues
@@ -21,9 +22,12 @@
 
 namespace gmshddm
 {
+
+
   namespace problem
   {
 
+
     // Instantiate the required templates
     template class AbstractIterativeSolver< std::complex< double > >;
     template class AbstractIterativeSolver< std::complex< float > >;
@@ -151,5 +155,8 @@ namespace gmshddm
       return this->_solverName;
     }
 
+
   } // namespace problem
+  
+  
 } // namespace gmshddm

src/problem/Solvers.h

-// GmshDDM - Copyright (C) 2019-2022, A. Royer, C. Geuzaine, B. Martin, Université de Liège
+// GmshDDM - Copyright (C) 2019-2021, A. Royer, C. Geuzaine, Université de Liège
+// GmshDDM - Copyright (C) 2022, A. Royer, C. Geuzaine, B. Martin, Université de Liège
 //
 // See the LICENSE.txt file for license information. Please report all
 // issues on https://gitlab.onelab.info/gmsh/ddm/issues