[PATCH v5 0/1] MR4617: msxml3: Allow encoding name "ISO8859-1".

[Bernhard Übelacker (＠bernhardu)]

This fixes eFilmLt.exe when running with builtin msxml6.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55804

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  v5: msxml3: Allow encoding name "ISO8859-1".

https://gitlab.winehq.org/wine/wine/-/merge_requests/4617