This fixes a regression introduced by commit
fc14753d.

WM_NCCALCSIZE is not handled yet because it initiates loading the
driver again.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45485Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>