$OpenBSD: patch-lib_inc_facter_facts_collection_hpp,v 1.1 2018/04/16 11:24:47 bluhm Exp $

Index: lib/inc/facter/facts/collection.hpp
--- lib/inc/facter/facts/collection.hpp.orig
+++ lib/inc/facter/facts/collection.hpp
@@ -101,7 +101,7 @@ namespace facter { namespace facts {
         /**
          * Destructor for fact collection.
          */
-        ~collection();
+        virtual ~collection();
 
         /**
          * Prevents the fact collection from being copied.
