[Bug-gnulib] gnulib unistd-safer merge from coreutils (trivial change)

[Paul Eggert]

I installed this:

2004-08-05  Paul Eggert  <address@hidden>

        * dup-safer.c (errno): Don't declare; we assume C89 or better now.

Index: lib/dup-safer.c
===================================================================
RCS file: /cvsroot/gnulib/gnulib/lib/dup-safer.c,v
retrieving revision 1.1
diff -p -u -r1.1 dup-safer.c
--- lib/dup-safer.c     3 Mar 2001 19:05:36 -0000       1.1
+++ lib/dup-safer.c     6 Aug 2004 02:58:54 -0000
@@ -1,5 +1,5 @@
 /* Invoke dup, but avoid some glitches.
-   Copyright (C) 2001 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2004 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,9 +22,6 @@
 #endif
 
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
 
 #if HAVE_FCNTL_H
 # include <fcntl.h>