From 7a5dc33d671f0f448b048ed35543296eb32178b9 Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Sun, 13 Jul 2014 22:39:14 +0100
Subject: [PATCH] Windows fix.

---
 lib/net_mosq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/net_mosq.c b/lib/net_mosq.c
index a3977e25..09b354c8 100644
--- a/lib/net_mosq.c
+++ b/lib/net_mosq.c
@@ -972,7 +972,7 @@ int _mosquitto_socket_nonblock(int sock)
 		return 1;
 	}
 #else
-	opt = 1;
+	unsigned long opt = 1;
 	if(ioctlsocket(sock, FIONBIO, &opt)){
 		COMPAT_CLOSE(sock);
 		return 1;