message: Change error_message to message in cli_util.
diff: @@ -194,7 +194,7 @@ void CliUtil::InitTink() {
  Status aws_result = InitAws();
  if (!aws_result.ok()) {
  - std::clog << aws_result.error_message() << std::endl;
  + std::clog << aws_result.message() << std::endl;
  }
  }
  