[boost] [Thread] Compilation error when default calling convention is not __cdecl

Hi list, I'd like to bring to your attention ticket #1470 (http://svn.boost.org/trac/boost/ticket/1470), which seems to have been missed for v1.35.0, maybe because I set the milestone to "TBD". The patch (http://svn.boost.org/trac/boost/attachment/ticket/1470/BTL-calling-conv.diff) fixes compilation problems for Boost.Thread when the compiler's default calling convention is not __cdecl (seen on Win32, VC9 with /Gz option). Note that r43847 already contained a small fraction of that fix -- but only for the prototype of on_thread_exit, not for its implementation or for the other functions (on_thread_enter, and their on_process_* counterparts). Cheers, François