another msvc-7.1 fix

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9841 a83610d8-ad2a-0410-a6ab-fc0612d85776
the python bindings should not use types internal to libtorrent (fixes shared library linking)

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9842 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix valgrind build issue

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9843 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix stats bug

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9844 a83610d8-ad2a-0410-a6ab-fc0612d85776