message: Added forgotten {} in bicgstab.cpp
diff: @@ -115,8 +115,8 @@ void Bicgstab<ValueType>::apply_impl(const LinOp *b, LinOp *x) const
  system_matrix_->apply(r.get(), v.get());
  for (int iter = 0; iter < parameters_.max_iters; ++iter) {
  r->compute_dot(r.get(), tau.get());
  - bool all_converged;
  - bool one_changed;
  + bool all_converged{};
  + bool one_changed{};
  exec->run(
  TemplatedOperation<ValueType>::make_test_convergence_operation(
  tau.get(), starting_tau.get(), parameters_.rel_residual_goal,
  