From 8954964c324a1a55b2e6c57b428f1ca12d1ebd1f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 19 Feb 2009 16:36:56 +0000
Subject: [PATCH] From Tanguy Fautre, This fixes the OSG crashes reported by
 http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/2009-February/023499.html

It's a one line change against OSG 2.8.0 (see line 196). I've already tested the change, and confirmed it\u2019s fixing the crashes described above."

merged from svn trunk using:

svn merge -r 9797:9798  http://www.openscenegraph.org/svn/osg/OpenSceneGraph/trunk/src/osg/State.cpp
---
 src/osg/State.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/osg/State.cpp b/src/osg/State.cpp
index f1e678f94..6188a80f1 100644
--- a/src/osg/State.cpp
+++ b/src/osg/State.cpp
@@ -193,6 +193,7 @@ void State::reset()
         ++apitr)
     {
         (*apitr)->resetAppliedUniforms();
+        (*apitr)->removeObserver(this);
     }
     
     _appliedProgramObjectSet.clear();