From d4aa63964d161c8cbca62f48be01a8e46d0e12ee Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Tue, 21 May 2019 21:53:13 +0200
Subject: [PATCH] io.c: include <stdlib.h> to use free()

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

diff --git a/src/io.c b/src/io.c
index f3a10b25..99d312b9 100644
--- a/src/io.c
+++ b/src/io.c
@@ -26,6 +26,7 @@
 // little-endian.
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <errno.h>