gcc 4.0 compile fix.

diff --git a/dlls/d3d8/d3d8_private.h b/dlls/d3d8/d3d8_private.h
index 76473d9..f119d70 100644
--- a/dlls/d3d8/d3d8_private.h
+++ b/dlls/d3d8/d3d8_private.h
@@ -811,11 +811,6 @@
 /* --------------------- */
 
 /*****************************************************************************
- * Predeclare the interface implementation structures
- */
-extern const IDirect3DBaseTexture8Vtbl Direct3DBaseTexture8_Vtbl;
-
-/*****************************************************************************
  * IDirect3DBaseTexture8 implementation structure
  */
 struct IDirect3DBaseTexture8Impl