[PATCH 0/2] MR1916: msvcirt: Fixes for streambuf::xsputn and ostream::opearator<<

[Piotr Caban (＠piotr)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54180

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https://gitlab.winehq.org/wine/wine/-/merge_requests/1916