(dired-dnd-popup-notice): Use message-box.

diff --git a/lisp/dired.el b/lisp/dired.el
index 4665e961b8194987c4de8afbcd7d4210af2e9eee..b0d86297e71b6ce00becccd8e7f42af8be946f2b 100644 (file)
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -3180,10 +3180,8 @@ Anything else means ask for each directory."
   :group 'dired)
 
 (defun dired-dnd-popup-notice ()
-  (x-popup-dialog
-   t
-   '("Recursive copies not enabled.\nSee variable dired-recursive-copies."
-     ("Ok" . nil))))
+  (message-box
+   "Recursive copies not enabled.\nSee variable dired-recursive-copies."))
 
 
 (defun dired-dnd-do-ask-action (uri)