message: Update fem/fespace.cpp
diff: @@ -357,7 +357,7 @@ void FiniteElementSpace::BuildDofToArrays()
  const int n = elem_dof -> RowSize(i);
  for (int j = 0; j < n; j++)
  {
  - int dof = (dofs[j] >= 0) ? dofs[j] : - dofs[j] - 1;
  + int dof = DecodeDof(dofs[j]);
  if (dof_elem_array[dof] < 0)
  {
  dof_elem_array[dof] = i;
  