[Gold Patch] Handle DW_AT_GNU_pubnames in DW_FORM_flag_present

[Sterling Augustine]

On Fri, Jul 26, 2013 at 4:16 PM, Cary Coutant <ccoutant@google.com> wrote:
>> And here it is. This integrates your comments.
>
> This is OK. Thanks!

Checked in as posted. Thanks!