/usr/lib/x86_64-linux-gnu/libubuntu_application_api_mirclient.so.1 is in libubuntu-application-api-mirclient1 0.20+14.04.20140411-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libubuntu_application_api_mirclient.so.1.0