Merge branch 'issue/petscvectorbackend_include' into 'master'

Added missing include

See merge request !145

src/amdis/linearalgebra/petsc/VectorBackend.hpp

@@ -3,6 +3,7 @@
 #include <petscvec.h>
 
 #include <dune/common/ftraits.hh>
+#include <dune/common/rangeutilities.hh>
 #include <dune/common/shared_ptr.hh>
 #include <dune/functions/functionspacebases/flatmultiindex.hh>
 
@@ -241,14 +242,14 @@ namespace AMDiS
     }
 
     template <class Func>
-    void forEach(Func&& f) 
+    void forEach(Func&& f)
     {
       forEach(mappedRangeView(Dune::range(localSize()),
         [](auto i) { return Dune::Functions::FlatMultiIndex<decltype(i)>{i}; }), FWD(f));
     }
 
     template <class Func>
-    void forEach(Func&& f) const 
+    void forEach(Func&& f) const
     {
       forEach(mappedRangeView(Dune::range(localSize()),
         [](auto i) { return Dune::Functions::FlatMultiIndex<decltype(i)>{i}; }), FWD(f));