[PATCH v2 0/1] MR6790: ntdll: use posix_spawn() to invoke unmount command instead of system().

[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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  v2: ntdll: use posix_spawn() to invoke unmount command instead of system().
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6790