Some languages don't have a subkey (e.g. German), and for others the
subkey is the full language id rather than the primary language id (e.g.
Portuguese).
Furthermore there should be a CurrentLanguage key with localized values.
Signed-off-by: Francois Gouget <fgouget@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>