From 3a595ef9123ce35975964312d032a8b1c903bf66 Mon Sep 17 00:00:00 2001
From: msbroadf <msbroadf@gmail.com>
Date: Thu, 13 Aug 2015 13:45:33 +1000
Subject: [PATCH] Update chaiscript_engine.hpp

---
 include/chaiscript/language/chaiscript_engine.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/chaiscript/language/chaiscript_engine.hpp b/include/chaiscript/language/chaiscript_engine.hpp
index a6a604a..9fbdd4c 100644
--- a/include/chaiscript/language/chaiscript_engine.hpp
+++ b/include/chaiscript/language/chaiscript_engine.hpp
@@ -36,7 +36,9 @@
 #else
 #ifdef CHAISCRIPT_WINDOWS
 #define VC_EXTRA_LEAN
+#if !defined(WIN32_LEAN_AND_MEAN)
 #define WIN32_LEAN_AND_MEAN
+#endif
 #include <windows.h>
 #endif
 #endif