don't keep 'nasal-dir-initialized' node after removing

diff --git a/src/Scripting/NasalSys.cxx b/src/Scripting/NasalSys.cxx
index fadca5249f4ee9bd4cc41350c6e0fb5ccdff500a..a41179366142f0afd823fa66d556db536c4b5afd 100644 (file)
--- a/src/Scripting/NasalSys.cxx
+++ b/src/Scripting/NasalSys.cxx
@@ -691,7 +691,7 @@ void FGNasalSys::init()
     const char *s = "nasal-dir-initialized";
     SGPropertyNode *signal = fgGetNode("/sim/signals", true);
     signal->setBoolValue(s, true);
-    signal->removeChildren(s);
+    signal->removeChildren(s, false);
 
     // Pull scripts out of the property tree, too
     loadPropertyScripts();