Update survey when split polygon option is toggled.

src/MissionManager/SurveyComplexItem.cc

@@ -89,6 +89,8 @@ SurveyComplexItem::SurveyComplexItem(Vehicle* vehicle, bool flyView, const QStri
     connect(&_flyAlternateTransectsFact,&Fact::valueChanged,                        this, &SurveyComplexItem::_rebuildTransects);
     connect(this,                       &SurveyComplexItem::refly90DegreesChanged,  this, &SurveyComplexItem::_rebuildTransects);
 
+    connect(qgcApp()->toolbox()->settingsManager()->appSettings()->splitConcavePolygons(), &Fact::valueChanged, this, &SurveyComplexItem::_rebuildTransects);
+
     // FIXME: Shouldn't these be in TransectStyleComplexItem? They are also in CorridorScanComplexItem constructur
     connect(&_cameraCalc, &CameraCalc::distanceToSurfaceRelativeChanged, this, &SurveyComplexItem::coordinateHasRelativeAltitudeChanged);
     connect(&_cameraCalc, &CameraCalc::distanceToSurfaceRelativeChanged, this, &SurveyComplexItem::exitCoordinateHasRelativeAltitudeChanged);