From 7d41afeee86f46cba04a57ce3733dea58af6f5cb Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Tue, 28 Jul 2015 18:38:06 +0200
Subject: [PATCH] fix thread safety

---
 win32/sendmail.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win32/sendmail.c b/win32/sendmail.c
index 025c56a2088..432ebf097d9 100644
--- a/win32/sendmail.c
+++ b/win32/sendmail.c
@@ -868,7 +868,7 @@ static int Post(LPCSTR msg)
 //********************************************************************/
 static int Ack(char **server_response)
 {
-	static char buf[MAIL_BUFFER_SIZE];
+	ZEND_TLS char buf[MAIL_BUFFER_SIZE];
 	int rlen;
 	int Index = 0;
 	int Received = 0;