QmlDesigner.propertyEditor: initlialize members

Task-number: BAUHAUS-647

src/plugins/qmldesigner/components/propertyeditor/propertyeditorcontextobject.cpp

@@ -3,7 +3,7 @@
 namespace QmlDesigner {
 
 PropertyEditorContextObject::PropertyEditorContextObject(QObject *parent) :
-    QObject(parent), m_backendValues(0)
+    QObject(parent), m_isBaseState(false), m_selectionChanged(false), m_backendValues(0)
 {
 
 }