QmlDesigner: Fix positioner handling

Change-Id: I519bbbfee939d4568a0de5bbe5c01912a08c6fb1
Reviewed-on: http://codereview.qt.nokia.com/1848
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

share/qtcreator/qml/qmlpuppet/instances/objectnodeinstance.cpp

@@ -906,6 +906,10 @@ void ObjectNodeInstance::setInPositioner(bool isInPositioner)
     m_isInPositioner = isInPositioner;
 }
 
+void ObjectNodeInstance::refreshPositioner()
+{
+}
+
 void ObjectNodeInstance::updateAnchors()
 {
 }