message: revert fespace to master
diff: @@ -791,7 +791,7 @@ const Operator *FiniteElementSpace::GetElementRestriction(
  {
  // Check if we have a discontinuous space using the FE collection:
  const L2_FECollection *dg_space = dynamic_cast<const L2_FECollection*>(fec);
  - //if (dg_space) { return NULL; }
  + if (dg_space) { return NULL; }
  // TODO: support other DG collections.
  if (e_ordering == ElementDofOrdering::LEXICOGRAPHIC)
  {
  