From 45c67c24b067b146426fa129f5b8a6b1b5225384 Mon Sep 17 00:00:00 2001
From: sfw <sfuwen@sina.com>
Date: Tue, 14 Aug 2018 15:44:25 +0800
Subject: [PATCH] ch2-1-typo

---
 ch2-cgo/ch2-01-hello-cgo.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ch2-cgo/ch2-01-hello-cgo.md b/ch2-cgo/ch2-01-hello-cgo.md
index 7463ce4..fa465a0 100644
--- a/ch2-cgo/ch2-01-hello-cgo.md
+++ b/ch2-cgo/ch2-01-hello-cgo.md
@@ -103,6 +103,7 @@ void SayHello(const char* s);
 ```c
 // hello.c
 
+#include <stdio.h>
 #include "hello.h"
 
 void SayHello(const char* s) {