wined3d: Make some data const.
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index aaa7de7..2f5e887 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1242,7 +1242,7 @@
typedef struct IWineD3DSwapChainImpl
{
/*IUnknown part*/
- IWineD3DSwapChainVtbl *lpVtbl;
+ const IWineD3DSwapChainVtbl *lpVtbl;
LONG ref; /* Note: Ref counting not required */
IUnknown *parent;
@@ -1271,7 +1271,7 @@
Drawable drawable;
} IWineD3DSwapChainImpl;
-extern IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl;
+extern const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl;
/*****************************************************************************
* Utility function prototypes