Treat WS_CHANNEL_PROPERTY_MAX_SESSION_DICTIONARY_SIZE as a read-only
property, and only allow it to be set upon channel creation.
Signed-off-by: Connor McAdams <cmcadams@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>