/usr/lib/liblangtag-gobject.so.0 is in liblangtag-gobject0 0.5.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/liblangtag-gobject.so.0.3.0
/usr/lib/liblangtag-gobject.so.0.3.0