[PATCH v4 0/1] MR6790: ntdll: use __wine_unix_spawnvp() to invoke unmount command.

[Michael Lelli (＠toadking)]

Fix umounting filesystems mounted on paths with spaces.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57391

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  v4: ntdll: use __wine_unix_spawnvp() to invoke unmount command.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6790