/usr/lib/x86_64-linux-gnu/libunity-action-qt.so is in libunity-action-qt1-dev 1.1.0+14.04.20140304-0ubuntu2~gcc5.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libunity-action-qt.so.1