[Patch]: objdump/readelf: handle GNAT descriptive type attribute

[Nick Clifton]

Hi Tristan,

> binutils/
> 2010-01-13  Tristan Gingold<gingold@adacore.com>
>
> 	* dwarf.c (get_AT_name): Handle DW_AT_use_GNAT_descriptive_type
> 	and DW_AT_GNAT_descriptive_type.

Approved - please apply.

Cheers
   Nick