d3d10core: COM cleanup for the ID3D10Device iface.

dlls/d3d10core/d3d10core_private.h

@@ -69,7 +69,7 @@ HRESULT parse_dxbc(const char *data, SIZE_T data_size,
 /* IDirect3D10Device */
 struct d3d10_device
 {
-    const struct ID3D10DeviceVtbl *vtbl;
+    ID3D10Device ID3D10Device_iface;
     const struct IUnknownVtbl *inner_unknown_vtbl;
     IWineDXGIDeviceParent IWineDXGIDeviceParent_iface;
     IUnknown *outer_unknown;

dlls/d3d10core/texture.c

@@ -217,7 +217,8 @@ HRESULT d3d10_texture2d_init(struct d3d10_texture2d *texture, struct d3d10_devic
     {
         IWineDXGIDevice *wine_device;
 
-        hr = ID3D10Device_QueryInterface((ID3D10Device *)device, &IID_IWineDXGIDevice, (void **)&wine_device);
+        hr = ID3D10Device_QueryInterface(&device->ID3D10Device_iface, &IID_IWineDXGIDevice,
+                (void **)&wine_device);
         if (FAILED(hr))
         {
             ERR("Device should implement IWineDXGIDevice\n");