From aaba1c6b23e2285c73dca0e625e454a4a7581bb6 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 31 Aug 2006 10:10:42 +0000
Subject: [PATCH] Made the inheritance of osg::Object in the DrawCallback to be
 virtual.

---
 include/osg/CameraNode | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/osg/CameraNode b/include/osg/CameraNode
index 87b407dee..04fbb55f7 100644
--- a/include/osg/CameraNode
+++ b/include/osg/CameraNode
@@ -315,7 +315,7 @@ class OSG_EXPORT CameraNode : public Transform, public CullSettings
  
 
         /** Draw callback for custom operations.*/
-        struct DrawCallback : public Object
+        struct DrawCallback : virtual public Object
         {
             DrawCallback() {}