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

include/wx/html/winpars.h

@@ -41,7 +41,7 @@ class WXDLLIMPEXP_HTML wxHtmlWinParser : public wxHtmlParser
 public:
     wxHtmlWinParser(wxHtmlWindowInterface *wndIface = NULL);
 
-    ~wxHtmlWinParser();
+    virtual ~wxHtmlWinParser();
 
     virtual void InitParser(const wxString& source);
     virtual void DoneParser();