Remove some unused parameter warnings

dune/gmsh4/gmsh4reader.impl.hh

@@ -1179,43 +1179,43 @@ void Gmsh4Reader<G,C,S>::readElementsBinary (std::ifstream& input)
 
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readPeriodic (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readPeriodic (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readPeriodic() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readGhostElements (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readGhostElements (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readPeriodic() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readParametrization (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readParametrization (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readParametrization() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readNodeData (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readNodeData (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readNodeData() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readElementData (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readElementData (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readElementData() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readElementNodeData (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readElementNodeData (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readElementNodeData() is not yet implemented.");
 }
 
 template <class G, class C, class S>
-void Gmsh4Reader<G,C,S>::readInterpolationScheme (std::ifstream& input)
+void Gmsh4Reader<G,C,S>::readInterpolationScheme (std::ifstream& /*input*/)
 {
   DUNE_THROW(Dune::NotImplemented, "readInterpolationScheme() is not yet implemented.");
 }