QmlDesigner: Plug a memory leak

Change-Id: I608b254b06db923c0ad718a15c4d697ba580c006
Reviewed-by: Marco Bubke <marco.bubke@digia.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qmldesigner/components/stateseditor/stateseditorwidget.cpp

@@ -111,7 +111,8 @@ StatesEditorWidget::StatesEditorWidget(StatesEditorView *statesEditorView, State
         throw InvalidQmlSourceException(__LINE__, __FUNCTION__, __FILE__);
 
     m_declarativeView->setFocusPolicy(Qt::ClickFocus);
-    QApplication::sendEvent(m_declarativeView->scene(), new QEvent(QEvent::WindowActivate));
+    QEvent event(QEvent::WindowActivate);
+    QApplication::sendEvent(m_declarativeView->scene(), &event);
 
     connect(m_declarativeView->rootObject(), SIGNAL(currentStateInternalIdChanged()), statesEditorView, SLOT(synchonizeCurrentStateFromWidget()));
     connect(m_declarativeView->rootObject(), SIGNAL(createNewState()), statesEditorView, SLOT(createNewState()));