Copter: fill Notify flag for flying

ArduCopter/ArduCopter.cpp

@@ -445,6 +445,8 @@ void Copter::one_hz_loop()
     adsb.set_is_flying(!ap.land_complete);
 #endif
 
+    AP_Notify::flags.flying = !ap.land_complete;
+
     // update error mask of sensors and subsystems. The mask uses the
     // MAV_SYS_STATUS_* values from mavlink. If a bit is set then it
     // indicates that the sensor or subsystem is present but not