[boost] Broken link to boost/thread/barrier.hpp on www.boost.org

If you follow the link to "barrier.hpp" on the page http://www.boost.org/regression-logs/cs-win32_metacomm/doc/html/threads/refe... ..., then you'll be directed to http://www.boost.org/regression-logs/cs-win32_metacomm/boost/thread/barrier.... ..., and that page doesn't exist. Peter