Tweak last change to silence compiler warning.

diff --git a/lisp/dired.el b/lisp/dired.el
index 080d34a..5b460d9 100644 (file)
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -3299,6 +3299,8 @@ Ask means pop up a menu for the user to select one of copy, move or link."
                          ;;  y-or-n-p, which pops a graphical menu.
                          dired-overwrite-confirmed backup-file)
                      (when (and overwrite
+                                ;; silence compiler
+                                (boundp 'dired-backup-overwrite)
                                 dired-backup-overwrite
                                 (setq backup-file
                                       (car (find-backup-file-name to)))