ddraw: Unset the viewports active device in IDirect3DDeviceImpl_3_DeleteViewport().
[wine] / dlls / wineps16.drv16 /
drwxr-xr-x   ..
-rw-r--r-- 85 Makefile.in
-rw-r--r-- 3087 driver.c
-rw-r--r-- 317 wineps16.drv16.spec