From 34203d50089b52c7ee3bf6b2572f9a04856b6ef9 Mon Sep 17 00:00:00 2001
From: Ryan Crandall <cranflavin@gmail.com>
Date: Thu, 9 Aug 2018 08:32:31 -0700
Subject: [PATCH] imgui_impl_win32: Don't redefine WIN32_LEAN_AND_MEAN if
 already defined (#2014)

---
 examples/imgui_impl_win32.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/imgui_impl_win32.cpp b/examples/imgui_impl_win32.cpp
index 86873084d..e713b8d3c 100644
--- a/examples/imgui_impl_win32.cpp
+++ b/examples/imgui_impl_win32.cpp
@@ -8,7 +8,9 @@
 
 #include "imgui.h"
 #include "imgui_impl_win32.h"
+#ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
+#endif
 #include <windows.h>
 #include <tchar.h>