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/protocol/http.h

@@ -25,7 +25,7 @@ class WXDLLIMPEXP_NET wxHTTP : public wxProtocol
 {
 public:
   wxHTTP();
-  ~wxHTTP();
+  virtual ~wxHTTP();
 
   virtual bool Connect(const wxString& host, unsigned short port);
   virtual bool Connect(const wxString& host) { return Connect(host, 0); }