[PATCH v2 0/1] MR7652: ntdll: Treat XDG_DATA_DIRS as special env variable.

[Louis Lenders (＠xe)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49987

GTK apps seem to use this to find path to schemas, like
Meld: https://download.gnome.org/binaries/win32/meld/3.22/Meld-3.22.2-mingw.msi
which doesn't start at all without this patch.
More info in https://bugs.winehq.org/show_bug.cgi?id=49987.

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  v2: ntdll: Treat XDG_DATA_DIRS as special env variable.

https://gitlab.winehq.org/wine/wine/-/merge_requests/7652