From 47ecc0ce29a802974dedbb341abc7560cf7a89ef Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Mon, 21 Oct 2013 23:36:52 +0100
Subject: [PATCH] Fix an MSVC debug crash.

Ensure the route-manger unregisters itself from the flightplan
on destruction, since it is a delegate.
---
 src/Autopilot/route_mgr.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Autopilot/route_mgr.cxx b/src/Autopilot/route_mgr.cxx
index 71dddb30b..fd46f4be7 100644
--- a/src/Autopilot/route_mgr.cxx
+++ b/src/Autopilot/route_mgr.cxx
@@ -234,6 +234,10 @@ FGRouteMgr::~FGRouteMgr()
   input->removeChangeListener(listener);
   delete listener;
     
+    if (_plan) {
+		_plan->removeDelegate(this);
+	}
+
   //SGCommandMgr* cmdMgr = SGCommandMgr::instance();
   //cmdMgr->removeCommand("define-user-waypoint");