From 5b459c128227473004a6a6a7cebd1c9d981e8874 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Sat, 17 Feb 2018 16:53:03 +0100
Subject: [PATCH] dns.h depends on err.h

---
 src/include/lwip/dns.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/include/lwip/dns.h b/src/include/lwip/dns.h
index 1453d723..09134154 100644
--- a/src/include/lwip/dns.h
+++ b/src/include/lwip/dns.h
@@ -44,6 +44,7 @@
 #if LWIP_DNS
 
 #include "lwip/ip_addr.h"
+#include "lwip/err.h"
 
 #ifdef __cplusplus
 extern "C" {