From 551efe9febb7b36d793c8962f9b9e51b0dd7efe3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Fauberteau?= <frederic@fauberteau.org>
Date: Tue, 10 Aug 2021 22:13:06 +0200
Subject: [PATCH] Fix alsa-utils building error on NetBSD

The following errors occur at least on NetBSD 9.2 amd64 when building
alsa-utils:
include/alsa/output.h:75:66: error: unknown type name 'va_list'; did you mean '__va_list'?
include/alsa/error.h:80:25: error: unknown type name 'va_list'; did you mean '__va_list'?
---
 include/error.h  | 2 ++
 include/output.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/error.h b/include/error.h
index 7239db85..acc9cfa9 100644
--- a/include/error.h
+++ b/include/error.h
@@ -32,6 +32,8 @@
 extern "C" {
 #endif
 
+#include <stdarg.h>
+
 /**
  *  \defgroup Error Error handling
  *  Error handling macros and functions.
diff --git a/include/output.h b/include/output.h
index 4a970dc4..b0878c04 100644
--- a/include/output.h
+++ b/include/output.h
@@ -32,6 +32,8 @@
 extern "C" {
 #endif
 
+#include <stdarg.h>
+
 /**
  *  \defgroup Output Output Interface
  *