From 7d7a7be115976d31715b7d4051d50249f32d2a05 Mon Sep 17 00:00:00 2001
From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
Date: Sat, 23 Nov 2013 23:42:20 +0900
Subject: [PATCH] Fixed warnings in MinGW

---
 taglib/toolkit/trefcounter.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/taglib/toolkit/trefcounter.h b/taglib/toolkit/trefcounter.h
index 75388b10..c231779d 100644
--- a/taglib/toolkit/trefcounter.h
+++ b/taglib/toolkit/trefcounter.h
@@ -33,7 +33,9 @@
 #  include <libkern/OSAtomic.h>
 #  define TAGLIB_ATOMIC_MAC
 #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
-#  define NOMINMAX
+#  ifndef NOMINMAX
+#    define NOMINMAX
+#  endif
 #  include <windows.h>
 #  define TAGLIB_ATOMIC_WIN
 #elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 401)    \