todo-mode.el compilation warning fix

* lisp/calendar/todo-mode.el (hl-line-highlight): Declare to avoid
compilation warning.

diff --git a/lisp/calendar/todo-mode.el b/lisp/calendar/todo-mode.el
index 7169ef41aefd4e4f46813731efe8341aa1945e54..909f59f19c818edd319c9cd07907df79cebeb4aa 100644 (file)
--- a/lisp/calendar/todo-mode.el
+++ b/lisp/calendar/todo-mode.el
@@ -874,6 +874,7 @@ category."
   (todo-forward-category t))
 
 (defvar todo-categories-buffer)
+(declare-function hl-line-highlight "hl-line" ())
 
 (defun todo-jump-to-category (&optional file where)
   "Prompt for a category in a todo file and jump to it.