QmlDesigner: Add missing override

Change-Id: I949a5e96c0a0ac0e2b88860c191095543de417f5
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/components/navigator/navigatorview.h

@@ -64,7 +64,7 @@ public:
     void importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports) override;
 
     void nodeAboutToBeRemoved(const ModelNode &removedNode) override;
-    void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange);
+    void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange) override;
     void nodeOrderChanged(const NodeListProperty &listProperty, const ModelNode &movedNode, int oldIndex) override;
 
     void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange) override;