$NetBSD$

--- flow/audioiosun.cc.orig	2007-10-08 11:47:09.000000000 +0200
+++ flow/audioiosun.cc	2011-07-26 16:37:19.626654499 +0200
@@ -63,6 +63,7 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <iostream>
 #include <algorithm>
