Fix image-dired-tags-db-file void variable error

* lisp/image/image-dired-tags.el (image-dired-sane-db-file):
Require 'image-dired'.  (Bug#68636)

diff --git a/lisp/image/image-dired-tags.el b/lisp/image/image-dired-tags.el
index 7b4ca35a15e31e8253eb718203cce05080494ca7..2b5248cb14bfe7c6fe9d81e46ba5945f5b121c64 100644 (file)
--- a/lisp/image/image-dired-tags.el
+++ b/lisp/image/image-dired-tags.el
@@ -51,6 +51,7 @@ Return the value of last form in BODY."
   "Check if `image-dired-tags-db-file' exists.
 If not, try to create it (including any parent directories).
 Signal error if there are problems creating it."
+  (require 'image-dired)                ; for `image-dired-dir'
   (or (file-exists-p image-dired-tags-db-file)
       (let (dir buf)
         (unless (file-directory-p (setq dir (file-name-directory