message: fix VLA issue
diff: @@ -5155,7 +5155,7 @@ void ParMesh::PrintAsSerial(std::ostream &os) const
  int nbe = NumOfBdrElements;
  int nbe_glob = nbe;
  MPI_Allreduce(&nbe, &nbe_glob, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
  - double dummy_vertex[spaceDim];
  + double *dummy_vertex = new double[spaceDim];
  Mesh serialmesh = Mesh(Dim, nvertices_glob, ne_glob, nbe_glob, spaceDim);
  @@ -5309,11 +5309,13 @@ void ParMesh::PrintAsSerial(std::ostream &os) const
  {
  for (int v = 0; v < nvertices_glob; v++)
  {
  - serialmesh.AddVertex(dummy_vertex);
  + serialmesh.AddVertex(*dummy_vertex);
  }
  serialmesh.FinalizeTopology();
  }
  + delete [] dummy_vertex;
  +
  // From each processor, we send element-wise vertex/dof locations and
  // overwrite the vertex/dof locations of the serial mesh.
  FiniteElementSpace *fespace_serial = NULL;
  