message: Small changes to reduce diffs with old solver output
diff: @@ -891,7 +891,7 @@ void CGSolver::Mult(const Vector &b, Vector &x) const
  print_options.first_and_last)
  {
  const auto arf = pow (betanom/nom0, 0.5/final_iter);
  - mfem::out << "Average reduction factor: " << arf << '\n';
  + mfem::out << "Average reduction factor = " << arf << '\n';
  }
  if (print_options.errors && !converged)
  {
  