Add virtual dtor to header renderer classes to avoid g++ warnings.

[wxWidgets.git] / include / wx / xrc / xh_treebk.h

diff --git a/include/wx/xrc/xh_treebk.h b/include/wx/xrc/xh_treebk.h
index 903dad1e375b194e74619179134f49b29636c14b..f5f11342f1d754ccf0ac5b7ac2381e52e467a98d 100644 (file)
--- a/include/wx/xrc/xh_treebk.h
+++ b/include/wx/xrc/xh_treebk.h
@@ -14,7 +14,7 @@
 
 #if wxUSE_XRC && wxUSE_TREEBOOK
 
-class  WXDLLEXPORT wxTreebook;
+class  WXDLLIMPEXP_FWD_CORE wxTreebook;
 #include "wx/dynarray.h"
 
 WX_DEFINE_USER_EXPORTED_ARRAY_SIZE_T(size_t, wxArrayTbkPageIndexes,