correct the wrong info node setting in dired-describe-mode

[FKtPp]

hi all,

The following patch makes the 'C-u h' works in dired mode. since xemacs
didn't ship a separated dired.info, we have to use (info
"(xemacs)Dired") instead of (info "dired").

--- dired-help.el.orig	2008-05-09 09:46:05.171875000 +0800
+++ dired-help.el	2008-05-09 09:47:39.468750000 +0800
@@ -232,7 +232,8 @@
   (interactive "P")
   ;; Getting dired documentation can be a bit slow.
   (if info
-      (info "dired")
+      ;; XEmacs specific, xemacs do not have a separate dired.info
+      (info "(xemacs)Dired")
     (message "Building dired help...")
     (let* ((buff (get-buffer-create "*Help*"))
 	   (standard-output buff)



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