PATCH: PR ld/2443: Dwarf2 reader doesn't handle file 0 correctly

[Nick Clifton]

Hi H. J.

> 2006-03-10  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	PR ld/2443
> 	* dwarf2.c (concat_filename): Don't issue an error if file is
> 	0.

Approved - please apply.

Cheers
   Nick