[gold patch] Add configure check for IFUNC support in static glibc

[Cary Coutant]

>> 2011-09-13  Cary Coutant  <ccoutant@google.com>
>>
>>       * configure.ac: Check for glibc support for gnu_indirect_function
>>       support with static linking, setting automake conditional
>>       IFUNC_STATIC.
>>       * Makefile.in: Regenerate.
>>       * configure: Regenerate.
>>
>>       * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
>>       (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
>>       for IFUNC_STATIC.
>>       * testsuite/Makefile.in: Regenerate.
>
> This is OK.

Thanks, committed.

-cary