HAVE_UNISTD_H used in progreloc.c

[Jim Meyering]

Hi Bruno,

I just grepped for HAVE_UNISTD_H in gnulib/ and found this
single remaining use.  Any reason to keep it?
 
Index: lib/progreloc.c
===================================================================
RCS file: /sources/gnulib/gnulib/lib/progreloc.c,v
retrieving revision 1.8
diff -u -p -r1.8 progreloc.c
--- lib/progreloc.c     19 Sep 2005 17:28:14 -0000      1.8
+++ lib/progreloc.c     7 Jul 2006 07:15:19 -0000
@@ -1,5 +1,5 @@
 /* Provide relocatable programs.
-   Copyright (C) 2003-2004 Free Software Foundation, Inc.
+   Copyright (C) 2003-2004, 2006 Free Software Foundation, Inc.
    Written by Bruno Haible <address@hidden>, 2003.
 
    This program is free software; you can redistribute it and/or modify
@@ -29,9 +29,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 #include <sys/stat.h>
 
 #if defined _WIN32 || defined __WIN32__