Cannot delete a file symlinked to a directory on Windows

[RioNight]

This is probably related to #267. The directory structure is similar.

When deleting a file that is a symlink, with Vd, this error appears:

Deleting a file that is symlinked is fine however. However, undoing it with u makes that file a normal file, not a symlink to the original file.

[kyoheiu]

This should be fixed via https://github.com/kyoheiu/felix/commit/04b84264a89b5772abc165142f534d072ddf839d .