Direct2d: De-virtualize destructor of QWindowsDirect2DContext

The class is not a virtual base class.

Change-Id: If6a86487317d8e79e9618b4f6a46793aa95ea9ea
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Louai Al-Khanji <louai.al-khanji@qt.io>

src/plugins/platforms/direct2d/qwindowsdirect2dcontext.cpp

@@ -161,7 +161,7 @@ QWindowsDirect2DContext::QWindowsDirect2DContext()
 {
 }
 
-QWindowsDirect2DContext::~QWindowsDirect2DContext() {}
+QWindowsDirect2DContext::~QWindowsDirect2DContext() = default;
 
 bool QWindowsDirect2DContext::init()
 {

src/plugins/platforms/direct2d/qwindowsdirect2dcontext.h

@@ -59,7 +59,7 @@ class QWindowsDirect2DContext
 
 public:
     QWindowsDirect2DContext();
-    virtual ~QWindowsDirect2DContext();
+    ~QWindowsDirect2DContext();
 
     bool init();