Fix bug #17169 with infinite recursion in bidi_initialize under force-load-messages.

 lisp/international/characters.el: Preload uni-mirrored.el.

lisp/ChangeLog

+2014-04-03  Eli Zaretskii  <eliz@gnu.org>
+
+	* international/characters.el: Preload uni-mirrored.el.  (Bug#17169)
+
 2014-04-03  Glenn Morris  <rgm@gnu.org>
 
 	* files.el (make-backup-file-name-function)

lisp/international/characters.el

@@ -495,6 +495,14 @@ with L, LRE, or LRO Unicode bidi character type.")
 			(modify-category-entry key ?L))))
 		    table)))
 
+;; Load this if available, so that it gets dumped into Emacs.  This
+;; allows to start Emacs with force-load-messages in ~/.emacs, and
+;; avoid infinite recursion in bidi_initialize, which needs to load
+;; uni-mirrored.el in order to display "Loading" messages.  We use
+;; 'no-error to avoid error messages when bootstrapping without
+;; generated uni-*.el files.
+(load "international/uni-mirrored" 'no-error)
+
 ;; Latin
 
 (modify-category-entry '(#x80 . #x024F) ?l)