From a4af44720847813066521900f1da95d06aa29c22 Mon Sep 17 00:00:00 2001
From: Huseyin Dikme <hueseyin.dikme@1und1.de>
Date: Fri, 21 Jun 2019 11:41:48 +0200
Subject: [PATCH] add missing errno include

---
 include/dtmf.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/dtmf.h b/include/dtmf.h
index 05d6a1afe..96ae42308 100644
--- a/include/dtmf.h
+++ b/include/dtmf.h
@@ -3,6 +3,7 @@
 
 #include <inttypes.h>
 #include <glib.h>
+#include <errno.h>
 #include "str.h"