/usr/lib/x86_64-linux-gnu/libtelepathy-qt4-farstream.so is in libtelepathy-qt4-dev 0.9.6~git1-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtelepathy-qt4-farstream.so.2