hasktags - small patch

[Marc Weber]

> > 154c154
> > <       let wordlines = map words aslines
> > ---
> > >       let wordlines = map mywords aslines
> > 161a162,174
> > >       -- my words is mainly copied from Data.List.
> > >       -- difference abc::def is split into three words instead of one.
> > >       mywords :: String -> [String]
> > >       mywords (':':':':xs) = "::" : mywords xs
> 
> I'm not familiar with the code, but this looks like it is just a quick
> fix for this particular case, 
Yes. It is only a quick fix for this particular case because I did need
it ;-)

I don't wont to spend more time on this right now but perhaps I will
after making my current project work..

Marc W.