From e93f2d88c04fc651fc12ec82a0655ccdae34426e Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Wed, 28 Sep 2011 19:47:31 +0200
Subject: [PATCH] Request for Windows Sockets specification version 2.2 instead of 2.0

---
 src/modbus-tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modbus-tcp.c b/src/modbus-tcp.c
index 3e87905..f589c05 100644
--- a/src/modbus-tcp.c
+++ b/src/modbus-tcp.c
@@ -68,7 +68,7 @@ static int _modbus_tcp_init_win32(void)
     /* Initialise Windows Socket API */
     WSADATA wsaData;
 
-    if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) {
+    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
         fprintf(stderr, "WSAStartup() returned error code %d\n",
                 (unsigned int)GetLastError());
         errno = EIO;
--
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