Rover: handle landing target mavlink message

Rover/GCS_Mavlink.cpp

@@ -1072,6 +1072,15 @@ void GCS_MAVLINK_Rover::handle_radio(const mavlink_message_t &msg)
     handle_radio_status(msg, rover.should_log(MASK_LOG_PM));
 }
 
+/*
+  handle a LANDING_TARGET command. The timestamp has been jitter corrected
+*/
+void GCS_MAVLINK_Rover::handle_landing_target(const mavlink_landing_target_t &packet, uint32_t timestamp_ms)
+{
+#if PRECISION_LANDING == ENABLED
+    rover.precland.handle_msg(packet, timestamp_ms);
+#endif
+}
 
 uint64_t GCS_MAVLINK_Rover::capabilities() const
 {

Rover/GCS_Mavlink.h

@@ -42,6 +42,7 @@ private:
     void handle_set_position_target_local_ned(const mavlink_message_t &msg);
     void handle_set_position_target_global_int(const mavlink_message_t &msg);
     void handle_radio(const mavlink_message_t &msg);
+    void handle_landing_target(const mavlink_landing_target_t &msg, uint32_t timestamp_ms) override;
 
     void send_servo_out();