windows_intermodule_singleton breaks when mixing debug/release dll/exe

[anders.widen@…]

Ticket #9262 describes a problem related to windows_intermodule_singleton being created in one runtime and then accessed in another (debug/release runtimes). I believe there is at least one more "problematic" object besides the std::map that from boost 1.56 is replaced with boost::container::map.

The struct windows_bootstamp contains a std::string and since objects of this type is created in shared memory the problem with mixed runtimes is still there.