From c800043112a873a0fab1c5df2c76a958a2b012e7 Mon Sep 17 00:00:00 2001
From: Luis Lavena <luislavena@gmail.com>
Date: Mon, 6 Feb 2012 19:15:03 -0300
Subject: [PATCH] Add missing IPV6_HOPLIMIT definition for MinGW

Closes GH-307
---
 src/win/winsock.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/win/winsock.h b/src/win/winsock.h
index 433ce476..954ad5ce 100644
--- a/src/win/winsock.h
+++ b/src/win/winsock.h
@@ -45,6 +45,10 @@
   #define IPV6_V6ONLY 27
 #endif
 
+#ifndef IPV6_HOPLIMIT
+  #define IPV6_HOPLIMIT 21
+#endif
+
 /*
  * TDI defines that are only in the DDK.
  * We only need receive flags so far.