$NetBSD: patch-ao,v 1.2 2018/02/20 08:35:52 dholland Exp $

Use standard headers.

--- rplayd/timer.h.orig	Wed Mar 10 02:58:04 1999
+++ rplayd/timer.h	Tue Jan 18 16:15:34 2000
@@ -30,6 +30,7 @@
 #include "config.h"
 #endif
 
+#include <signal.h>
 #include <sys/types.h>
 
 extern double timer_rate;