From 399a65e63714983c353ef6d0b70399c9494152ce Mon Sep 17 00:00:00 2001
From: orbitcowboy <ettl.martin78@googlemail.com>
Date: Wed, 30 Mar 2022 14:29:20 +0200
Subject: [PATCH] Assign LPVOID pointer with NULL before it's being used

This fixes https://github.com/libexpat/libexpat/issues/592
---
 expat/xmlwf/win32filemap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/expat/xmlwf/win32filemap.c b/expat/xmlwf/win32filemap.c
index bde47777..51634c42 100644
--- a/expat/xmlwf/win32filemap.c
+++ b/expat/xmlwf/win32filemap.c
@@ -107,7 +107,7 @@ filemap(const TCHAR *name,
 
 static void
 win32perror(const TCHAR *s) {
-  LPVOID buf;
+  LPVOID buf = NULL;
   if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
                     NULL, GetLastError(),
                     MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0,