Huw Davies (@huw) commented about dlls/winealsa.drv/mmdevdrv.c:
static WCHAR drv_key_devicesW[256]; static const WCHAR guidW[] = {'g','u','i','d',0};
-static const IAudioClient3Vtbl AudioClient3_Vtbl; +const IAudioClient3Vtbl AudioClient3_Vtbl;
And now there's no reason to make this non-`static`.