missing dummy destructor added

src/nodes/QskShapeNode.cpp

@@ -89,6 +89,10 @@ QskShapeNode::QskShapeNode()
     setFlag( QSGNode::OwnsMaterial, true );
 }
 
+QskShapeNode::~QskShapeNode()
+{
+}
+
 void QskShapeNode::updateNode( const QPainterPath& path,
     const QTransform& transform, const QRectF& rect, const QskGradient& gradient )
 {

src/nodes/QskShapeNode.h

@@ -19,6 +19,7 @@ class QSK_EXPORT QskShapeNode : public QSGGeometryNode
 {
   public:
     QskShapeNode();
+    ~QskShapeNode() override;
 
     void updateNode( const QPainterPath&, const QTransform&,
         const QRectF&, const QskGradient& );