From 6bc9c626f4b88da406ea8518d4ce13a5a0888f95 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 25 Sep 2009 18:03:49 +0000
Subject: [PATCH] Fixed warning

---
 include/osgAnimation/UpdateCallback | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/osgAnimation/UpdateCallback b/include/osgAnimation/UpdateCallback
index 95d8910f9..45c06e7dd 100644
--- a/include/osgAnimation/UpdateCallback
+++ b/include/osgAnimation/UpdateCallback
@@ -36,6 +36,8 @@ namespace osgAnimation
         virtual int link(osgAnimation::Animation* animation) = 0;
         virtual void updateLink() = 0;
         virtual const std::string& getName() const = 0;
+
+        virtual ~AnimationUpdateCallbackBase() {}
     };
 
     template <class T>