Minor property name change to track changes in xml panels.

Thanks

@@ -7,6 +7,11 @@ possible only by the help and hard work of others.  I want to properly
 credit everyone who has contributed to this project.
 
 
+A1 Free Sounds <techie@mail.ev1.net> http://www.a1freesoundeffects.com
+  Granted permission for the flightgear project to use some of the
+  sound effects from their site.
+
+
 Raul Alonzo <amil@las.es>
   Mr. Alonzo is the author of Ssystem and provided his kind permission 
   for using the moon texture. I also used parts of his code as a template

src/Cockpit/radiostack.cxx

@@ -791,7 +791,7 @@ void FGRadioStack::search()
 				// FIXME: the panel should handle this
 				// don't worry about overhead for now,
 				// since this is handled only periodically
-    int dme_switch_pos = fgGetInt("/panel/dme/switch-position");
+    int dme_switch_pos = fgGetInt("/radios/dme/switch-position");
     if (dme_switch_pos == 0) {
       dme_freq = 0;
       dme_inrange = false;