Avoid using variable before it has been initialized

* lisp/ibuffer.el (ibuffer-shrink-to-fit): Don't try to use
ibuffer-auto-mode variable before ibuf-ext.el has been loaded.
(Bug#51029)

diff --git a/lisp/ibuffer.el b/lisp/ibuffer.el
index 6c0180590b925c30b0ad389e03d420129881c7a1..046595a4d909081aba196a89c4b030f6971163a5 100644 (file)
--- a/lisp/ibuffer.el
+++ b/lisp/ibuffer.el
@@ -1079,7 +1079,8 @@ a new window in the current frame, splitting vertically."
   ;; Make sure that redisplay is performed, otherwise there can be a
   ;; bad interaction with code in the window-scroll-functions hook
   (redisplay t)
-  (when (buffer-local-value 'ibuffer-auto-mode (window-buffer))
+  (when (and (boundp 'ibuffer-auto-mode) ; ibuf-ext.el might not be loaded yet
+             (buffer-local-value 'ibuffer-auto-mode (window-buffer)))
     (fit-window-to-buffer
      nil (and owin
               (/ (frame-height)