dlls/d3dxof/d3dxof and unused functions

[Gerald Pfeifer]

The addition of /wine/dlls/d3dxof/d3dxof.c
  revision 1.1
  date: 2004/06/03 00:03:23;  author: julliard;  state: Exp;
  Christian Costa 
  Added d3dxof dll, part of Direct3D.

causes the following warning regressions:

d3dxof.c:238: warning: `IDirectXFileBinary_Vtbl' defined but not used
  d3dxof.c:453: warning: `IDirectXFileDataReference_Vtbl' defined but not used
  d3dxof.c:612: warning: `IDirectXFileObject_Vtbl' defined but not used
  d3dxof.c:690: warning: `IDirectXFileSaveObject_Vtbl' defined but not used

Would you mind addressing these?

Gerald