From bd3c53754dbb58d969f5df32d29545104c00076b Mon Sep 17 00:00:00 2001
From: Yaroslav Bunyak <ybunyak@gmail.com>
Date: Thu, 25 Sep 2014 01:45:54 +0300
Subject: [PATCH] Fix build errors.

---
 imgui.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/imgui.h b/imgui.h
index c1736babf..db2f5b7e1 100644
--- a/imgui.h
+++ b/imgui.h
@@ -17,6 +17,7 @@ struct ImGuiWindow;
 #include "imconfig.h"
 #include <float.h>          // FLT_MAX
 #include <stdarg.h>         // va_list
+#include <stddef.h>         // ptrdiff_t
 #include <stdlib.h>         // NULL, malloc
 
 #ifndef IM_ASSERT