fix the problem that savedefault doesn't work with Stage 1.5.

stage2/fsys_fat.c

@@ -1,7 +1,7 @@
 /*
  *  GRUB  --  GRand Unified Bootloader
  *  Copyright (C) 1996   Erich Boleyn  <erich@uruk.org>
- *  Copyright (C) 2000   Free Software Foundation, Inc.
+ *  Copyright (C) 2000, 2001   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
@@ -244,15 +244,11 @@ fat_read (char *buf, int len)
       if (size > len)
 	size = len;
       
-#ifndef STAGE1_5
       disk_read_func = disk_read_hook;
-#endif /* STAGE1_5 */
       
       devread(sector, offset, size, buf);
       
-#ifndef STAGE1_5
       disk_read_func = NULL;
-#endif /* STAGE1_5 */
       
       len -= size;
       buf += size;