switching from old to new API for datatransfer (pasteboard)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46131 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/dataform.h

@@ -22,6 +22,7 @@ public:
     wxDataFormat(const wxString& rId);
     wxDataFormat(const wxChar* pId);
     wxDataFormat(NativeFormat vFormat);
+    ~wxDataFormat();
 
     wxDataFormat& operator=(NativeFormat vFormat)
         { SetId(vFormat); return *this; }