$NetBSD: patch-aa,v 1.1 2010/03/09 19:57:43 pettai Exp $

--- tacpluslib/tac_plus.h.orig	2009-01-08 06:26:43.000000000 +0100
+++ tacpluslib/tac_plus.h	2009-01-08 06:30:42.000000000 +0100
@@ -78,6 +78,7 @@
 #define STDLIB_MALLOC
 #define NO_PWAGE
 #define CONST_SYSERRLIST
+#define HAVE_SYSERR_PROTO
 #define VOIDSIG
 #endif
 
@@ -673,12 +674,13 @@
 extern void set_expiration_status();
 
 /* miscellaneous */
+#ifndef HAVE_SYSERR_PROTO
 #ifdef CONST_SYSERRLIST
 extern const char *const sys_errlist[];
 #else
 /*extern char *sys_errlist[];*/
 #endif
-extern int errno;
+#endif
 extern int sendauth_fn();
 extern int sendpass_fn();
 extern int enable_fn();