Added virtual destructor

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64016 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/variant.h

@@ -376,6 +376,7 @@ class WXDLLIMPEXP_BASE wxAnyToVariantRegistration
 {
 public:
     wxAnyToVariantRegistration(wxVariantDataFactory factory);
+    virtual ~wxAnyToVariantRegistration();
 
     virtual wxAnyValueType* GetAssociatedType() = 0;
     wxVariantDataFactory GetFactory() const { return m_factory; }