From 73fc376dacaa712b29be206533682ad448a9e997 Mon Sep 17 00:00:00 2001
From: Nan Xiao <nan@chinadtrace.org>
Date: Fri, 26 Oct 2018 09:28:31 +0800
Subject: [PATCH] Fix build error on OpenBSD

---
 intro/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/intro/io.c b/intro/io.c
index 617fd4d..6d9385d 100644
--- a/intro/io.c
+++ b/intro/io.c
@@ -2,6 +2,7 @@
 #include <unistd.h>
 #include <assert.h>
 #include <fcntl.h>
+#include <sys/stat.h>
 #include <sys/types.h>
 #include <string.h>