lisp/ChangeLog: Fix last entry.

I did not realize that a bug was filed for that patch.  Also "make"
instead of "made".

lisp/ChangeLog

 2014-08-08  Matthias Meulien  <orontee@gmail.com>
-	* progmodes/prog-mode.el (prog-mode-hook): Made customizable.
+	* progmodes/prog-mode.el (prog-mode-hook): Make customizable.
+	(Bug#16394)
 2014-08-07  Martin Rudalics  <rudalics@gmx.at>