After ben-mule-21-5 merged in, `string-to-char-list' was eliminated.

After ben-mule-21-5 merged in, `string-to-char-list' was eliminated.

* liece-compat.el (liece-string-to-list): New definition.
* liece-000.el (liece-handle-004-message): Use it.
* liece-nick.el (liece-nick-remove-mode): Use it.
* liece-channel.el (liece-channel-read-mode): Use it.
* liece-handle.el (liece-handle-mode-message): Use it.

* gettext.el: Require `poem' and `static'.
(gettext-string-to-list): New definition.