`ido-dired' don't refresh cache with `C-l'

[Zhang Wei]

`ido-find-file' work with `ido-refresh-directory' (bind to `C-l') very
well. But `ido-dired' don't refresh cache with `C-l'.

------------------------------------------------------------
If emacs crashed, and you have the emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
c:/Emacs/etc/DEBUG for instructions.


In GNU Emacs 23.0.0.1 (i386-mingw-nt5.1.2600)
 of 2006-10-10 on BREP
X server distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.2)'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: CHS
  locale-coding-system: cp936
  default-enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  shell-dirtrack-mode: t
  display-time-mode: t
  show-paren-mode: t
  delete-selection-mode: t
  pc-selection-mode: t
  encoded-kbd-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<up> <up> <up> <up> <up> <up> <up> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <up> 
<up> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <left> <left> 
<left> <left> <left> <left> <left> <left> C-s d i r 
e d C-s C-s C-r C-r C-r C-r C-r C-r C-r C-r C-r C-r 
C-r C-r C-r C-r C-r C-r C-r <return> <prior> <prior> 
<prior> <prior> <prior> <prior> <prior> <prior> <prior> 
<prior> <prior> <prior> <up> <up> <up> <up> <up> <up> 
<up> <up> <up> <prior> <prior> M-x r e p o r t - e 
m a <tab> <return>

Recent messages:
Omitting...
Omitted 2 lines.
Updating buffer list...done
Commands: m, u, t, RET, g, k, S, D, Q; q to quit; h for help
Error during redisplay: (quit)
Mark saved where search started
set-fill-column: set-fill-column requires an explicit argument
Quit
Mark saved where search started [2 times]
Loading emacsbug...done