$NetBSD: patch-aa,v 1.1 2005/12/15 21:55:31 joerg Exp $

--- trio.c.orig	2005-12-15 21:49:33.000000000 +0000
+++ trio.c
@@ -536,9 +536,6 @@ typedef struct _userdef_T {
  * Internal variables
  */
 
-#if defined(PLATFORM_UNIX)
-extern int errno;
-#endif
 static const char null[] = "(nil)";
 
 #if defined(USE_LOCALE)