message: offboard: fix doxygen warnings
diff: @@ -42,7 +42,7 @@ public:
  *
  * @param result result enum
  */
  - static const char *result_str(Result);
  + static const char *result_str(Result result);
  /**
  * Callback type for offboard requests.
  @@ -91,21 +91,21 @@ public:
  *
  * Attention: this is work in progress, use with caution!
  *
  - * @param result callback to receive request result
  + * @param callback callback to receive request result
  */
  void start_async(result_callback_t callback);
  /**
  * Stops offboard control (asynchronous).
  *
  - * @param result callback to receive request result
  + * @param callback callback to receive request result
  */
  void stop_async(result_callback_t callback);
  /**
  * Sets the velocity in NED coordinates and yaw.
  *
  - * @param velocity_and_yaw velocity and yaw struct
  + * @param velocity_ned_yaw velocity and yaw struct
  */
  void set_velocity_ned(VelocityNEDYaw velocity_ned_yaw);
  