From 73a5381d2ee88392cf1789dfe6e435df0dc8dcb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Sch=C3=B6berl?= <joachim.schoeberl@tuwien.ac.at>
Date: Thu, 15 Mar 2018 19:00:50 +0100
Subject: [PATCH] virtual dtro in Archive

---
 libsrc/general/archive_base.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libsrc/general/archive_base.hpp b/libsrc/general/archive_base.hpp
index 1ea2ffa0..7febab84 100644
--- a/libsrc/general/archive_base.hpp
+++ b/libsrc/general/archive_base.hpp
@@ -11,6 +11,8 @@ namespace ngstd
     bool is_output;
   public:
     Archive (bool ais_output) : is_output(ais_output) { ; }
+    virtual ~Archive() { ; }
+    
     bool Output () { return is_output; }
     bool Input () { return !is_output; }