From d4e760efe1fad08ef98b614b8334c07fde1f1b2f Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Wed, 8 Jun 2005 14:07:53 +0000
Subject: [PATCH] fix a coredump situation, discovered by Melchior.

---
 simgear/props/props.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/simgear/props/props.cxx b/simgear/props/props.cxx
index a46ecfc8..dd8cb0c0 100644
--- a/simgear/props/props.cxx
+++ b/simgear/props/props.cxx
@@ -927,7 +927,8 @@ SGPropertyNode::removeChild (const char * name, int index, bool keep)
     if (keep) {
       _removedChildren.push_back(node);
     }
-    _path_cache->erase(name); // EMH - TODO: Take "index" into account!
+    if (_path_cache)
+       _path_cache->erase(name); // EMH - TODO: Take "index" into account!
     node->setAttribute(REMOVED, true);
     node->clearValue();
     ret = node;