[ nedit-Bugs-1907176 ] Empty $file_path

[Bert Wesarg]

> Comment By: Bert Wesarg (lebert)
> Date: 2008-10-01 13:19
>
> Message:
> Ohh,
>
> I think we are not done with this bug:
>
> start nedit
> modifie the Untitled buffer
> close window without saving
> -> Untitled without path

Here is a small patch which does this by simply keeping the path from
the window which is closed.

It changes also UniqueUntitledName() so that we can use w->filename in-place.

Bert