message: info: fix NAN double promotion
diff: @@ -50,7 +50,7 @@ private:
  void* _call_every_cookie{nullptr};
  void* _flight_info_call_every_cookie{nullptr};
  - double _speed_factor{NAN};
  + double _speed_factor{double(NAN)};
  Time _time{};
  dl_time_t _last_time_attitude_arrived{};
  uint32_t _last_time_boot_ms{0};
  