message: Report correct norm in BiCGStab.
diff: @@ -1529,7 +1529,7 @@ void BiCGSTABSolver::Mult(const Vector &b, Vector &x) const
  if (!print_options.iterations && print_options.first_and_last)
  {
  mfem::out << " Iteration : " << setw(3) << i
  - << " ||s|| = " << resid << '\n';
  + << " ||r|| = " << resid << '\n';
  }
  if (print_options.summary || (print_options.errors && !converged))
  {
  @@ -1545,7 +1545,7 @@ void BiCGSTABSolver::Mult(const Vector &b, Vector &x) const
  if (!print_options.iterations && print_options.first_and_last)
  {
  mfem::out << " Iteration : " << setw(3) << i
  - << " ||s|| = " << resid << '\n';
  + << " ||r|| = " << resid << '\n';
  }
  if (print_options.summary || (print_options.errors && !converged))
  {
  @@ -1565,8 +1565,8 @@ void BiCGSTABSolver::Mult(const Vector &b, Vector &x) const
  if (!print_options.iterations && print_options.first_and_last)
  {
  - mfem::out << " Iteration : " << setw(3) << i
  - << " ||s|| = " << resid << '\n';
  + mfem::out << " Iteration : " << setw(3) << final_iter
  + << " ||r|| = " << resid << '\n';
  }
  if (print_options.summary || (print_options.errors && !converged))
  {
  