/usr/share/doc/libgstrtspserver-0.10-dev/changelog.Debian.gz is in libgstrtspserver-0.10-dev 0.10.8-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgstrtspserver-0.10-dev/../libgstrtspserver-0.10-0/changelog.Debian.gz