[Bug 50770] Unable to create symlinks to files in a nonexistent directory

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50770

--- Comment #4 from Hans Leidekker  ---
So NT symlinks come in two flavors, file symlinks and directory symlinks, and
to remove them you need to use DeleteFile and RemoveDirectory respectively.

This means we need to know the symlink type. We can't take it from the target
because it may not exist, which suggests it should be encoded in the symlink
itself.