wined3d: Only unset the onscreen depth / stencil buffer once in wined3d_device_reset().
[wine] / dlls / qcap / qcap.spec
1 @ stdcall -private DllCanUnloadNow()
2 @ stdcall -private DllGetClassObject(ptr ptr ptr)
3 @ stdcall -private DllRegisterServer()
4 @ stdcall -private DllUnregisterServer()