From 17e6c9dd02e775210e9cc6972c9efe99d92c039a Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Thu, 29 Sep 2016 08:08:26 +0200
Subject: [PATCH] Add #include <string.h> in def.c since lwip_strnstr uses
 strlen and strcmp

---
 src/core/def.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/def.c b/src/core/def.c
index 1f8a4b96..c0cfba3b 100644
--- a/src/core/def.c
+++ b/src/core/def.c
@@ -49,6 +49,8 @@
 #include "lwip/opt.h"
 #include "lwip/def.h"
 
+#include <string.h>
+
 #if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN)
 
 /**