$NetBSD: patch-ab,v 1.2 2012/04/16 10:19:34 asau Exp $

--- lib/os.h.orig	2012-02-07 20:27:30.000000000 +0000
+++ lib/os.h
@@ -934,6 +934,8 @@ ___END_C_LINKAGE
 #define INCLUDE_pty_h
 #undef INCLUDE_util_h
 #define INCLUDE_util_h
+#undef INCLUDE_libutil_h
+#define INCLUDE_libutil_h
 #endif
 
 #ifdef USE_getpt