/usr/share/doc/libopencore-amrwb0-dbg/changelog.Debian.gz is in libopencore-amrwb0-dbg 0.1.3-2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libopencore-amrwb0-dbg/../libopencore-amrwb0/changelog.Debian.gz