[Patch] Improve path lookup of absolute source file

[Tom Tromey]

>>>>> "Francois" == Francois Rigault <francois.rigault@amadeus.com> writes:

>> > Do you have a copyright assignment on file?  This patch is big enough
>> > to require one.
>> 
>> Today's copyright.list doesn't seem to show Francois's name, FWIW.

Francois> No need to consider copyright, although this patch "looks" big it is
Francois> actually just a simple refactoring. I'll be happy without my name
Francois> inside copyright.list file.

Unfortunately it isn't just a matter of attribution or something like
that.  The FSF requires us to get assignment paperwork for any patch
over a certain size.

If you are willing to do this I can get you started on taht.

Tom