https://github.com/alsa-project/alsa-plugins/pull/47

From 2c760e55d86b145754866c24c22dbcd6ad3ab897 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 23 Aug 2022 15:21:16 -0700
Subject: [PATCH] arcam_av.c: Include missing string.h

bzero() function needs this header to be included

Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/arcam-av/arcam_av.c
+++ b/arcam-av/arcam_av.c
@@ -27,6 +27,7 @@
 #include <signal.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <string.h>
 #include <termios.h>
 #include <unistd.h>