thread (__thread_data_base): Nest class in std::thread.

thread (__thread_data_base): Nest class in std::thread.

2009-02-05  Chris Fairles  <cfairles@gcc.gnu.org>
            Benjamin Kosnik  <bkoz@redhat.com>

        * include/std/thread (__thread_data_base): Nest class in std::thread.
        (__thread_data): Likewise.
        (__thread_data_ptr): Nest typedef in std::thread.
        * src/thread.cc (__thread_proxy): Qualify the above names.
        * config/abi/pre/gnu.ver: Remove unused exports.

Co-Authored-By: Benjamin Kosnik <bkoz@redhat.com>
From-SVN: r143969