From de95b19cee9b5babb01a6715efe5e7bee63522cd Mon Sep 17 00:00:00 2001
From: "John \"Elwin\" Edwards" <elwin@rlgallery.org>
Date: Sun, 11 Feb 2018 15:37:33 -0500
Subject: [PATCH] Fix another pointer bug related to object stacks.

---
 urogue/pack.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/urogue/pack.c b/urogue/pack.c
index d865584..0c917c4 100644
--- a/urogue/pack.c
+++ b/urogue/pack.c
@@ -54,6 +54,7 @@ swap_top(struct linked_list *top, struct linked_list *node)
     detach(lvl_obj, top);   /* Remove item from level */
 
     obn->next_obj = obt->next_obj;
+    obt->next_obj = NULL;
 
     if (obn->next_obj)
         obn->next_obj->l_prev = NULL;