Fix `image-auto-resize-on-window-resize' custom :type

* lisp/image-mode.el (image-auto-resize-on-window-resize): Change
custom :type from integer to number to be able to set below 1
second.  (Bug#65626)

diff --git a/lisp/image-mode.el b/lisp/image-mode.el
index 336d89dd52db4f5e78f4e210ac164d6cd935eb2c..962e48bd9c6b4afc698b8d1126a9c6d2cdd0c018 100644 (file)
--- a/lisp/image-mode.el
+++ b/lisp/image-mode.el
@@ -89,7 +89,7 @@ This will always keep the image fit to the window.
 When non-nil, the value should be a number of seconds to wait before
 resizing according to the value specified in `image-auto-resize'."
   :type '(choice (const :tag "No auto-resize on window size change" nil)
-                 (integer :tag "Wait for number of seconds before resize" 1))
+                 (number :tag "Wait for number of seconds before resize" 1))
   :version "27.1"
   :group 'image)