Fix last change to wid-edit.el

* lisp/wid-edit.el (widget-choose): Test for stringp instead of
char-or-string-p, since substitute-command-keys should only apply
to choice values that are strings. (Bug#64046, Message emacs-mirror#37)

Author: Stephen Berman

lisp/wid-edit.el

@@ -286,7 +286,7 @@ in the key vector, as in the argument of `define-key'."
   (let ((items (mapc (lambda (x)
                        (when (consp x)
                          (dotimes (i (1- (length x)))
-                           (when (char-or-string-p (nth i x))
+                           (when (stringp (nth i x))
                              (setcar (nthcdr i x)
                                      (substitute-command-keys
                                       (car (nthcdr i x))))))))