Heads up: Several thousand g++ and libstdc++ test failures on sparc[64]

[Loren James Rittle]

>Is the below suitable? If so I would commit.

>        * src/locale.cc (locale::_S_initialize): Workaround a
        confusion of the use of the gthr API when __gthread_active_p()
        returns true.

ACK.

Thanks, Loren