[WIN32K]
Allow arbitrary transforms in NtGdiExtCreateRegion.
Shearing and rotation are not handled correctly yet, but at least we do no longer fail on transforms that have scaling and an offset, which are classified as GX_GENERAL

git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@65382 97493ccd-5924-5043-b1f5-66cb403b36ce