ld fix for STB_GNU_UNIQUE PR10549

[Ulrich Drepper]

On Sat, Apr 9, 2011 at 10:37, Alan Modra <amodra@gmail.com> wrote:
> This looks odd.  Why should an STB_GNU_UNIQUE symbol in a dynamic
> object, perhaps not even referenced, result in the current linker
> output being marked with has_gnu_symbols?

Because you cannot even interpret STB_GNU_UNIQUE as STB_GNU_UNIQUE
without the information that this is an GNU ABI file.  The
STB_GNU_UNIQUE symbol is in the OS-specific range.