From a8a6e1ce7a8ee6aa4d976df7fec8f46d86e38ae8 Mon Sep 17 00:00:00 2001
From: "John \"Elwin\" Edwards" <elwin@rlgallery.org>
Date: Tue, 14 Feb 2017 20:42:33 -0500
Subject: [PATCH] UltraRogue: fix a segfault related to restoring monsters.

The functions for restoring saved games failed to properly correct the
t_chasee pointer of monsters chasing the player.  Such monsters would
attempt to chase NULL instead, with predictable results.
---
 urogue/state.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/urogue/state.c b/urogue/state.c
index 0f28a39..623cca6 100644
--- a/urogue/state.c
+++ b/urogue/state.c
@@ -678,7 +678,7 @@ ur_fixup_monsters(struct linked_list *l)
 {
     while(l != NULL)
     {
-        if (l->data.th->t_chasee == (void *) -1L)
+        if (l->data.th->chasee_index == -1L)
             l->data.th->t_chasee = &player;
         else
             l->data.th->t_chasee = find_thing(mlist, l->data.th->chasee_index);
@@ -1340,7 +1340,7 @@ restore_file(FILE *savef)
     beast = find_thing(mlist, i);
 
     ur_fixup_monsters(fam_ptr);
-    ur_fixup_monsters(fam_ptr);
+    ur_fixup_monsters(mlist);
 
     DUMPSTRING
     i = ur_read_int(savef);