Fix bug-reference.el compilation warning

* lisp/progmodes/bug-reference.el (bug-reference-mode): Silence a
compilation warning (bug#49677).

diff --git a/lisp/progmodes/bug-reference.el b/lisp/progmodes/bug-reference.el
index 755211b922b954fe17a6a332fbe5f60bed517f9f..9b9c58eb1f2b61fbce20c3aeafa316645b1d9e91 100644 (file)
--- a/lisp/progmodes/bug-reference.el
+++ b/lisp/progmodes/bug-reference.el
@@ -345,6 +345,7 @@ and set it if applicable."
 (defvar gnus-article-buffer)
 (defvar gnus-original-article-buffer)
 (defvar gnus-summary-buffer)
+(defvar bug-reference-mode)
 
 (defun bug-reference--try-setup-gnus-article ()
   (when (and bug-reference-mode ;; Only if enabled in article buffers.