bug#6494: 23.2; find-lisp-object-file-name doc incorrect

[Leo]

The doc-string of find-lisp-object-file-name regarding TYPE is
incorrect. The code says defvar or defface but the doc-string says
variable or face, one of which should be fixed. The attached patch fixes
the code.

cheers -- Leo

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 86e9411..32470bb 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -244,7 +244,7 @@ suitable file is found, return nil."
   (let* ((autoloaded (eq (car-safe type) 'autoload))
         (file-name (or (and autoloaded (nth 1 type))
                        (symbol-file
-                        object (if (memq type (list 'defvar 'defface))
+                        object (if (memq type (list 'variable 'face))
                                    type
                                  'defun)))))
     (cond