Log Message:
rtorrent: updated to 0.9.7

0.9.7:
Bug-fix release while feature-bind is being worked on.

Fixed ip filter memory usage.
Add space to fmt str in log_gz_file_write.
Fix compilation issue with gcc v6.x and empty CXXFLAGS.
Fix BEP7 compatibility with IPv6 trackers and IPv4 peers.
Include SCGI/XMLRPC example in rtorrent.rc.
Handle SIGHUP like SIGINT.
Fix Throttle args.
Fix missing ranlib - not defined but used.
Fix no // are at start of expanded paths.
Fix ncurses header include.
Fix segfault when viewing a magnet download in the leeching view.