/usr/share/doc/libgssdp-1.0-dev/NEWS.gz is in libgssdp-1.0-dev 0.12.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgssdp-1.0-dev/../libgssdp-1.0-3/NEWS.gz
/usr/share/doc/libgssdp-1.0-dev/../libgssdp-1.0-3/NEWS.gz