/usr/lib/libtopmenu-client-gtk2.so is in libtopmenu-client-gtk2-dev 0.2.1+git20151210.8c6108f-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libtopmenu-client-gtk2.so.0.0.0
/usr/lib/libtopmenu-client-gtk2.so.0.0.0