[PATCH v3 0/2] MR5392: win32u: Avoid writing past allocated memory in peek_message().

[Paul Gofman (＠gofman)]

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  v3: win32u: Avoid leaking previous buffer in get_buffer_space().
      win32u: Avoid writing past allocated memory in peek_message().
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5392