Resync with upstream

Resync with upstream

2004-12-09  Marco Pesenti Gritti  <marco@gnome.org>

        * xdgmime.c: (xdg_mime_unalias_mime_type),
        (xdg_mime_mime_type_equal), (xdg_mime_mime_type_subclass),
        (xdg_mime_get_mime_parents):
        * xdgmime.h:
        * xdgmimealias.c: (_xdg_mime_alias_list_lookup):
        * xdgmimeglob.c: (_xdg_glob_hash_node_lookup_file_name):
        * xdgmimeint.c: (_xdg_ucs4_to_lower):
        * xdgmimeint.h:
        * xdgmimemagic.c: (_xdg_mime_magic_read_from_file):
        * xdgmimeparent.c: (_xdg_mime_parent_list_lookup):

        Resync with upstream