/usr/lib/libguichan-0.8.1.so.1 is in libguichan-0.8.1-1 0.8.2-5ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libguichan-0.8.1.so.1.1.0
/usr/lib/libguichan-0.8.1.so.1.1.0