mark all dtors which are virtual because base class dtor is virtual explicitly virtual themselves

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41020 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/univ/themes/win32.cpp

@@ -654,7 +654,7 @@ class wxWin32FrameInputHandler : public wxStdFrameInputHandler
 {
 public:
     wxWin32FrameInputHandler(wxInputHandler *handler);
-    ~wxWin32FrameInputHandler();
+    virtual ~wxWin32FrameInputHandler();
 
     virtual bool HandleMouse(wxInputConsumer *control,
                              const wxMouseEvent& event);