wined3d: Implement IWineD3DDevice::SetDisplayMode.
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 6754877..ebb2d86 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -567,6 +567,8 @@
     /* DirectDraw stuff */
     HWND ddraw_window;
     IWineD3DSurface *ddraw_primary;
+    DWORD ddraw_width, ddraw_height;
+    WINED3DFORMAT ddraw_format;
 
 } IWineD3DDeviceImpl;