Copter: AP_Stats flighttime

ArduCopter/land_detector.cpp

@@ -104,6 +104,8 @@ void Copter::set_land_complete(bool b)
     }
     ap.land_complete = b;
 
+    g2.stats.set_flying(!b);
+
     // trigger disarm-on-land if configured
     bool disarm_on_land_configured = (g.throttle_behavior & THR_BEHAVE_DISARM_ON_LAND_DETECT) != 0;
     bool mode_disarms_on_land = mode_allows_arming(control_mode,false) && !mode_has_manual_throttle(control_mode);