Autodisconnect link when user requests reboot

src/Vehicle/Vehicle.cc

@@ -3121,6 +3121,7 @@ QString Vehicle::firmwareVersionTypeString(void) const
 
 void Vehicle::rebootVehicle()
 {
+    _autoDisconnect = true;
     sendMavCommand(_defaultComponentId, MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN, true, 1.0f);
 }