Turn off w() -> warnings.

Turn off w() -> warnings.

2001-10-29    <NotZed@Ximian.com>

        * camel-mime-utils.c: Turn off w() -> warnings.

        * providers/imap/camel-imap-store.c (rename_folder): Also rename
        the message cache.
        (rename_folder): Fix subscribed folders table with rename(s).

        * providers/imap/camel-imap-folder.c (imap_rename): Implement,
        rename the cache dir pointer.

        * providers/imap/camel-imap-message-cache.c
        (camel_imap_message_cache_set_path): New method to set the path
        used by a message cache.