From da7434f2e271f1ce0e12dd5a7cb65f519de6cd40 Mon Sep 17 00:00:00 2001
From: Julian Smith <jules@op59.net>
Date: Wed, 2 Feb 2022 14:06:44 +0000
Subject: [PATCH] src/GUI/Highlight.cxx: fixed bug in FdmInitialisedListener
 destructor.

Use m_fdm_initialised to unregister our listener, as it waill always be valid,
unlike globals->get_props()->getNode(...).
---
 src/GUI/Highlight.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GUI/Highlight.cxx b/src/GUI/Highlight.cxx
index 1dae140d8..5512acab6 100644
--- a/src/GUI/Highlight.cxx
+++ b/src/GUI/Highlight.cxx
@@ -347,7 +347,7 @@ struct FdmInitialisedListener : SGPropertyChangeListener
     }
     ~FdmInitialisedListener()
     {
-        globals->get_props()->getNode("sim/fdm-initialized")->removeChangeListener(this);
+        m_fdm_initialised->removeChangeListener(this);
     }
     SGPropertyNode_ptr m_fdm_initialised;
 };