Revert "d3d: Fix partially applied patch: Remove AddRef from GetDirect3D.".

Removing COM in d3d is not feasible as long as we use inheritance. So
stick to the COM refcount rules.
This reverts commit 3fd8fe089c.

dlls/wined3d/device.c

@@ -2305,6 +2305,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_GetDirect3D(IWineD3DDevice *iface, IWin
    IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
    *ppD3D= This->wineD3D;
    TRACE("(%p) : wineD3D returning %p\n", This,  *ppD3D);
+   IWineD3D_AddRef(*ppD3D);
    return WINED3D_OK;
 }