Index: tol/btol/bgrammar/tol_bclass.h
===================================================================
--- tol/btol/bgrammar/tol_bclass.h	(revision dd6e916c53e24e28d39a4d4c6b24ad9c09a9cde9)
+++ tol/btol/bgrammar/tol_bclass.h	(revision b0b1ed5ba136fac240fa9faf388822cb07fa05ed)
@@ -117,5 +117,5 @@
   BMemberOwner();
   BMemberOwner(const BMemberOwner& mbrOwn);
- ~BMemberOwner();
+  virtual ~BMemberOwner();
 
   void CreateMemberHashes();