message: Replace cerr with mfem::err
diff: @@ -647,7 +647,7 @@ static void PADiffusionMultAssembled(const int dim,
  };
  if (!call[id])
  {
  - cerr << "\nUnknown kernel for PADiffusionMultAssembled with "
  + mfem::err << "\nUnknown kernel for PADiffusionMultAssembled with "
  << "dim = " << dim << ", "
  << "D1D = " << D1D << ", "
  << "Q1D = " << Q1D << " (add in fem/bilininteg_ext.cpp).\n";
  @@ -1106,7 +1106,7 @@ static void PAMassMultAssembled(const int dim,
  };
  if (!call[id])
  {
  - cerr << "\nUnknown kernel for PAMassMultAdd with "
  + mfem::err << "\nUnknown kernel for PAMassMultAdd with "
  << "dim = " << dim << ", "
  << "D1D = " << D1D << ", "
  << "Q1D = " << Q1D << " (add in fem/bilininteg_ext.cpp).\n";
  @@ -1611,7 +1611,7 @@ static void PAGeom(const int dim,
  };
  if (!call[id])
  {
  - cerr << "\nUnknown kernel for PAGeom with "
  + mfem::err << "\nUnknown kernel for PAGeom with "
  << "dim = " << dim << ", "
  << "D1D = " << D1D << ", "
  << "Q1D = " << Q1D << " (add in fem/bilininteg_ext.cpp).\n";
  