Update run_swig script to handle latest libtorrent from trunk.
Update run_swig script to handle latest libtorrent from trunk.

gubatron/frostwire-jlibtorrent,frostwire/frostwire-jlibtorrent,tchoulihan/frostwire-jlibtorrent,frostwire/frostwire-jlibtorrent,tchoulihan/frostwire-jlibtorrent,aldenml/frostwire-jlibtorrent,frostwire/frostwire-jlibtorrent,gubatron/frostwire-jlibtorrent,gubatron/frostwire-jlibtorrent,tchoulihan/frostwire-jlibtorrent,aldenml/frostwire-jlibtorrent,aldenml/frostwire-jlibtorrent