Correct 2 bugs connected to asynchronous shutdown():
[wine] / dlls / avifil32 / extrachunk.c
2002-12-02  Francois GougetRemoved unnecessary HANDLE typecasts.
2002-10-18  Alexandre JulliardFixed warnings caused by conversion to -DSTRICT.
2002-10-18  Michael Günnewig- Add wavefile handler.