message: add `TF_LITE_ENSURE_STATUS` to check status.
diff: @@ -209,8 +209,8 @@ is supported for every node in Delegation code.
  ```
  const int kMinVersion = 1;
  TfLiteNode* node;
  -TfLiteRegistration registration = nullptr;
  -context->GetNodeAndRegistration(context, node_index, &node, &registration);
  +TfLiteRegistration* registration = nullptr;
  +TF_LITE_ENSURE_STATUS(context->GetNodeAndRegistration(context, node_index, &node, &registration));
  if (registration->version > kMinVersion) {
  // Reject the node if the version isn't supported.
  