From b07269584ce9a255655cff167ecf09d1dddf62f7 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Wed, 13 Dec 2017 00:21:30 +0900
Subject: fix build for MSVC

---
 mrbgems/mruby-io/src/file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mrbgems/mruby-io/src/file.c b/mrbgems/mruby-io/src/file.c
index e38e6a2b6..11b05d31c 100644
--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -25,6 +25,7 @@
 #include <string.h>
 #if defined(_WIN32) || defined(_WIN64)
   #include <windows.h>
+  #include <io.h>
   #define NULL_FILE "NUL"
   #define UNLINK _unlink
   #define GETCWD _getcwd
-- 
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