From b55e9df70af59a936abec58782688c680f716385 Mon Sep 17 00:00:00 2001
From: ThorstenB <brehmt@gmail.com>
Date: Thu, 22 Mar 2012 23:54:01 +0100
Subject: [PATCH] Don't crash when "avionics == NULL".

---
 simgear/sound/xmlsound.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simgear/sound/xmlsound.cxx b/simgear/sound/xmlsound.cxx
index f680f47a..2b914d59 100644
--- a/simgear/sound/xmlsound.cxx
+++ b/simgear/sound/xmlsound.cxx
@@ -269,7 +269,7 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
    //
    // Initialize the sample
    //
-   if (is_avionics) {
+   if ((is_avionics)&&(avionics)) {
       _sgrp = avionics;
    } else {
       _sgrp = sgrp;
-- 
2.39.5