wined3d: Only unset the onscreen depth / stencil buffer once in wined3d_device_reset().
[wine] / dlls / crtdll /
drwxr-xr-x   ..
-rw-r--r-- 175 Makefile.in
-rw-r--r-- 21636 crtdll.spec
-rw-r--r-- 5380 crtdll_main.c