fix thread safety

diff --git a/win32/sendmail.c b/win32/sendmail.c
index 025c56a2088925280e8062640c37ffc870f346fe..432ebf097d964691ce34b7f037da2badaaab1aa1 100644 (file)
--- 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;