wined3d: Store the swapchain instead of the surface in the context.
[wine] / dlls / wmiutils / wmiutils.spec
1 @ stdcall -private DllCanUnloadNow()
2 @ stdcall -private DllGetClassObject(ptr ptr ptr)
3 @ stdcall -private DllRegisterServer()
4 @ stdcall -private DllUnregisterServer()