Adapt to new (>= DUNE 2.8) way of updating mappers.

opm/models/discretization/common/fvbasediscretization.hh

@@ -1373,8 +1373,13 @@ public:
 
                 // if the grid has potentially changed, we need to re-create the
                 // supporting data structures.
+#if DUNE_VERSION_NEWER(DUNE_GRID, 2, 8)
+                elementMapper_.update(gridView_);
+                vertexMapper_.update(gridView_);
+#else
                 elementMapper_.update();
                 vertexMapper_.update();
+#endif
                 resetLinearizer();
 
                 // this is a bit hacky because it supposes that Problem::finishInit()

opm/models/discretization/common/fvbaseproblem.hh

@@ -300,8 +300,13 @@ public:
      */
     void gridChanged()
     {
-        elementMapper_.update();
-        vertexMapper_.update();
+#if DUNE_VERSION_NEWER(DUNE_GRID, 2, 8)
+                elementMapper_.update(gridView_);
+                vertexMapper_.update(gridView_);
+#else
+                elementMapper_.update();
+                vertexMapper_.update();
+#endif
 
         if (enableVtkOutput_())
             defaultVtkWriter_->gridChanged();

opm/models/io/vtkmultiwriter.hh

@@ -163,8 +163,13 @@ public:
      */
     void gridChanged()
     {
+#if DUNE_VERSION_NEWER(DUNE_GRID, 2, 8)
+        elementMapper_.update(gridView_);
+        vertexMapper_.update(gridView_);
+#else
         elementMapper_.update();
         vertexMapper_.update();
+#endif
     }
 
     /*!