[PATCH v4 0/2] MR4045: kernelbase: Rewrite ExpandEnvironmentStringsA to return ansi string size

[Fabian Maurer (＠DarkShadow44)]

We can't return the unicode string size, this returns sizes to small
for multi-byte characters.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54295

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  v4: kernelbase: Rewrite ExpandEnvironmentStringsA to return ansi string size
      kernelbase: Rework ExpandEnvironmentStringsW error cases

https://gitlab.winehq.org/wine/wine/-/merge_requests/4045