ENH: blockMesh : initial blockMesh was created with region 'blockMesh'

src/paraview-plugins/PV3Readers/PV3blockMeshReader/vtkPV3blockMesh/vtkPV3blockMesh.C

@@ -321,7 +321,7 @@ void Foam::vtkPV3blockMesh::updateFoamMesh()
             )
         );
 
-        meshPtr_ = new blockMesh(meshDict);
+        meshPtr_ = new blockMesh(meshDict, polyMesh::defaultRegion);
     }