[Libburn] patch libisofs/tree.c to avoid null pointer reference

[Todd Kulesza]

On Fri, 2004-08-27 at 09:33, Derek Foreman wrote:
> On Fri, 27 Aug 2004, Alan Jenkins wrote:
> 
> > Hopefully the attached patch should be self explanatory.  I think you would 
> > always get a null pointer ref if the directory name was invalid.  I will 
> > check the function  for adding a file as well
> 
> The patch looks good to me.  I'll merge it sometime this weekend if Todd 
> or Benji don't sound off against it.
> 

Looks fine to me.

Todd