user32: Don't rely on the cached position for windows that have a mirrored parent.
[wine] / dlls / msisys.ocx /
drwxr-xr-x   ..
-rw-r--r-- 77 Makefile.in
-rw-r--r-- 2817 msisys.c
-rw-r--r-- 167 msisys.ocx.spec