[Win32ss]
- MapWindowPoints return incorrect result for windows with WS_EX_LAYOUTRTL style.
- Patch by Maxim Andreyanov. see CORE-7947.

git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@62327 97493ccd-5924-5043-b1f5-66cb403b36ce