[PATCH v38 0/1] MR10192: Draft: kernelbase: Handle extended length path prefix in GetLongPathNameW

[Vishnunithyasoundhar S (＠svishnunithyasoundhar)]

```
Support the \\?\ prefix by skipping it during path resolution while 
preserving it in the output. Added specific handling for extended 
UNC paths (\\?\UNC\) to mirror standard UNC behavior, ensuring 
these paths are treated as network shares and not local devices.

Some paths that use the extended length path were filtered out as UNC 
paths - but not all of them are UNC. There can be UNC path that use
extended length path but not all extended length paths are UNC paths.
```

Signed-off-by: Vishnunithyasoundhar S [e-mail]

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  v38: kernelbase: Handle extended length path prefix in GetLongPathNameW
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10192