From 1d24c76df7dcf06fb2edcd4320cced7ad7a7b198 Mon Sep 17 00:00:00 2001
From: Bert Belder <bertbelder@gmail.com>
Date: Sat, 5 May 2012 00:05:36 +0200
Subject: [PATCH] Windows: fix MinGW

MinGW's headers are missing a definition for SIO_BASE_HANDLE
---
 src/win/winsock.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/win/winsock.h b/src/win/winsock.h
index 5c3bb37e..957d08ec 100644
--- a/src/win/winsock.h
+++ b/src/win/winsock.h
@@ -43,11 +43,15 @@
 #endif
 
 #ifndef IPV6_V6ONLY
-  #define IPV6_V6ONLY 27
+# define IPV6_V6ONLY 27
 #endif
 
 #ifndef IPV6_HOPLIMIT
-  #define IPV6_HOPLIMIT 21
+# define IPV6_HOPLIMIT 21
+#endif
+
+#ifndef SIO_BASE_HANDLE
+# define SIO_BASE_HANDLE 0x48000022
 #endif
 
 /*