header nit

2018-04-20 09:30:20 -05:00
parent 111e118306
commit 460e4cadba
1 changed files with 1 additions and 0 deletions
--- 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"