$NetBSD: patch-af,v 1.1 2011/01/10 12:47:03 obache Exp $

* ignore WALLSIG if not exists.

--- stdio2pty.c.orig	2004-09-12 19:20:28.000000000 +0000
+++ stdio2pty.c
@@ -18,6 +18,10 @@
 
 #define	MAX_BUFF_LEN	32768
 
+#ifndef WALLSIG
+#define WALLSIG 0
+#endif
+
 static int all_done, exit_status, child_pid;
 
 static struct buffer_ctx *stdout_buff;