[boost] Obsolete macro in Boost.Pool

From: Bryan Ross (bross_at_[hidden])
Date: 2002-08-23 17:27:14

It seems as though the Boost.Pool library checks for the existence of
the macro __WIN32__ to determine the platform in a multithreaded
project.
However, (at least in vc7), __WIN32__ is not defined by default. It
should be changed to _WIN32

Bryan Ross
bross_at_[hidden]