From 0f6e22e20e9888e1af9ba0925e623aca85c407db Mon Sep 17 00:00:00 2001
From: helixhorned <helixhorned@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Fri, 20 Dec 2013 18:31:24 +0000
Subject: [PATCH] sector.c: in ST9 handling code, prevent oob for improperly
 constructed doors.

git-svn-id: https://svn.eduke32.com/eduke32@4203 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/source/sector.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/polymer/eduke32/source/sector.c b/polymer/eduke32/source/sector.c
index 40c29daf2..ae35c4956 100644
--- a/polymer/eduke32/source/sector.c
+++ b/polymer/eduke32/source/sector.c
@@ -569,6 +569,9 @@ void G_OperateSectors(int32_t sn, int32_t ii)
                 else wallfind[1] = i;
             }
 
+        if (wallfind[1] == -1)
+            return;
+
         for (j=0; j<2; j++)
         {
             if ((wall[wallfind[j]].x == dax) && (wall[wallfind[j]].y == day))