From c8ea74cab0f73fb420543d8fd4f081c8a1862050 Mon Sep 17 00:00:00 2001
From: Tim Kosse <tim.kosse@gmx.de>
Date: Sat, 14 Jun 2014 20:20:19 +0000
Subject: [PATCH] Don't redefine _FORCENAMELESSUNION it if it is already
 defined. Fixes a warning when compiling with MinGW.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76698 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/ole/automtn.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/msw/ole/automtn.cpp b/src/msw/ole/automtn.cpp
index cc3dda234b..81c563dc3b 100644
--- a/src/msw/ole/automtn.cpp
+++ b/src/msw/ole/automtn.cpp
@@ -26,7 +26,10 @@
     #include "wx/math.h"
 #endif
 
-#define _FORCENAMELESSUNION
+#ifndef _FORCENAMELESSUNION
+    #define _FORCENAMELESSUNION
+#endif
+
 #include "wx/msw/private.h"
 #include "wx/msw/ole/oleutils.h"
 #include "wx/msw/ole/automtn.h"