From 460e4cadba468e9d37339e615f6fba4a8e14c6a7 Mon Sep 17 00:00:00 2001
From: Remzi Arpaci-Dusseau <remzi.arpacidusseau@gmail.com>
Date: Fri, 20 Apr 2018 09:30:20 -0500
Subject: [PATCH] header nit

---
 concurrency-mapreduce/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/concurrency-mapreduce/README.md b/concurrency-mapreduce/README.md
index 8fe76ce..1b385aa 100644
--- a/concurrency-mapreduce/README.md
+++ b/concurrency-mapreduce/README.md
@@ -143,6 +143,7 @@ infrastructure:
 ```
 #include <assert.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "mapreduce.h"