message: Try to fix a strange Travis bug.
diff: @@ -849,7 +849,7 @@ static int CountFacesByType(const FiniteElementSpace &fes, const FaceType type)
  int FiniteElementSpace::GetNFbyType(FaceType type) const
  {
  - int &nf = type==FaceType::Interior? nbInteriorFaces : nbBoundaryFaces;
  + int &nf = (type==FaceType::Interior) ? nbInteriorFaces : nbBoundaryFaces;
  if (nf<0) { nf = CountFacesByType(*this, type); }
  return nf;
  }
  