From 29c2e73ba65d2d54fbf799f2e3ae06f95f7baa51 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Mon, 9 Jun 2014 17:43:59 +0000
Subject: [PATCH] (svn r26637) -Fix [FS#6038]: segmentation fault when
 encountering a .obg/.obs/.obm with empty string/zero length/ MD5 checksums

---
 src/base_media_func.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/base_media_func.h b/src/base_media_func.h
index 650506f903..e3678d5a15 100644
--- a/src/base_media_func.h
+++ b/src/base_media_func.h
@@ -100,7 +100,7 @@ bool BaseSet<T, Tnum_files, Tsearch_in_tars>::FillSetDetails(IniFile *ini, const
 
 		/* Then find the MD5 checksum */
 		item = md5s->GetItem(filename, false);
-		if (item == NULL) {
+		if (item == NULL || item->value == NULL) {
 			DEBUG(grf, 0, "No MD5 checksum specified for: %s (in %s)", filename, full_filename);
 			return false;
 		}