From e95b0770be0b92126aa9a08bdd0e6e3e47495440 Mon Sep 17 00:00:00 2001
From: Stefan Sayer <stefan.sayer@googlemail.com>
Date: Thu, 25 Feb 2010 15:37:08 +0000
Subject: [PATCH] adding some virtual dtors

git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@1639 8eb893ce-cfd4-0310-b710-fb5ebe64c474
---
 core/AmAudio.h       | 1 +
 core/AmB2ABSession.h | 2 +-
 core/AmStats.h       | 2 ++
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/AmAudio.h b/core/AmAudio.h
index d26a74ff..328fe8ff 100644
--- a/core/AmAudio.h
+++ b/core/AmAudio.h
@@ -66,6 +66,7 @@ public:
   };
 
   AmAudioEvent(int id):AmEvent(id){}
+  virtual ~AmAudioEvent() { }
 };
 
 
diff --git a/core/AmB2ABSession.h b/core/AmB2ABSession.h
index 62c2bb3a..57a8a101 100644
--- a/core/AmB2ABSession.h
+++ b/core/AmB2ABSession.h
@@ -177,7 +177,7 @@ class AmB2ABSession: public AmSession
 
   AmB2ABSession();
   AmB2ABSession(const string& other_local_tag);
-  ~AmB2ABSession();
+  virtual ~AmB2ABSession();
 
   void onBye(const AmSipRequest& req);
 
diff --git a/core/AmStats.h b/core/AmStats.h
index 3627f753..f765c363 100644
--- a/core/AmStats.h
+++ b/core/AmStats.h
@@ -48,6 +48,8 @@ class MeanValue
     n_val(0)
     {}
 
+  virtual ~MeanValue() { }
+
   void push(double val){
     cum_val += val;
     n_val++;