typedef wxWindow wxNotebookPage; // so far, any window can be a page
-extern WXDLLEXPORT_DATA(const wxChar*) wxNotebookNameStr;
+extern WXDLLEXPORT_DATA(const wxChar) wxNotebookNameStr[];
#if WXWIN_COMPATIBILITY_2_4
#define wxNOTEBOOK_NAME wxNotebookNameStr