message: telemetry: fix warning
diff: @@ -197,8 +197,8 @@ private:
  // The ground speed and position are coupled to the same message, therefore, we just use
  // the faster between the two.
  - double _ground_speed_ned_rate_hz{1.0f};
  - double _position_rate_hz{-1.0f};
  + double _ground_speed_ned_rate_hz{1.0};
  + double _position_rate_hz{-1.0};
  void *_timeout_cookie{nullptr};
  };
  