[PATCH v2 0/3] MR8152: avifil32: Fix a couple of bugs.

[Paul Gofman (＠gofman)]

--
  v2: avifil32: Fix dwLength counting for fixed size samples.
      avifil32: Assume OF_WRITE for OF_CREATE in AVIFileOpenW().
      avifil32/tests: Test creating AVI file with OF_CREATE but without access mode.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8152