message: calibration: fix race condition
diff: @@ -80,7 +80,7 @@ void CalibrationImpl::call_user_callback(const Calibration::calibration_callback
  {
  if (callback) {
  _parent->call_user_callback(
  - [callback, &result, &progress_data]() { callback(result, progress_data); });
  + [callback, result, progress_data]() { callback(result, progress_data); });
  }
  }
  