when there is a newer version of BitTorrent available
o Style fix: Remove a extraneous trailing space in Makefile
o Change default from disabled to enabled for BitTorrent option
--enable_bad_libc_workaround: 'enable workaround for a bug in BSD
libc that makes file reads very slow.' This has been verified to
be true; the behavior, not the reason
o Bump PORTREVISION