From 06ae2508bda02cc4af5e6beb9ae3d625a1114d28 Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Sat, 1 May 2021 21:56:11 +0100
Subject: [PATCH] Storm: Apply upstream commit

https://github.com/ladislav-zezula/StormLib/commit/62001d116a35c1ccd70e177697439ec8fcfdc91c
---
 3rdParty/StormLib/src/SFileOpenArchive.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/3rdParty/StormLib/src/SFileOpenArchive.cpp b/3rdParty/StormLib/src/SFileOpenArchive.cpp
index 381300bc7..ea88216fc 100644
--- a/3rdParty/StormLib/src/SFileOpenArchive.cpp
+++ b/3rdParty/StormLib/src/SFileOpenArchive.cpp
@@ -164,7 +164,8 @@ bool WINAPI SFileSetArchiveMarkers(PSFILE_MARKERS pMarkers)
     InitializeMpqCryptography();
 
     // Remember the marker for MPQ header
-    g_dwMpqSignature = pMarkers->dwSignature;
+    if(pMarkers->dwSignature != 0)
+        g_dwMpqSignature = pMarkers->dwSignature;
 
     // Remember the encryption key for hash table
     if(pMarkers->szHashTableKey != NULL)