--- Lunchbox-1.17.0/tests/refPtr.cpp.orig	2019-05-26 08:38:17.065749629 +0200
+++ Lunchbox-1.17.0/tests/refPtr.cpp	2019-05-26 08:39:27.702033626 +0200
@@ -35,8 +35,8 @@
 {
 public:
     Foo() {}
-private:
     virtual ~Foo() {}
+private:
     friend class boost::serialization::access;
     template <class Archive>
     void serialize(Archive&, unsigned int)