/usr/include/gupnp-dlna-2.0/libgupnp-dlna/ is in libgupnp-dlna-2.0-dev 0.10.2-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-audio-information.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-container-information.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-g-values.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-gst-utils.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-image-information.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-information.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-profile-guesser.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-profile.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-restriction.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-value-list.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-values.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna-video-information.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/gupnp-dlna.h
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/metadata/
/usr/include/gupnp-dlna-2.0/libgupnp-dlna/metadata/gupnp-dlna-metadata-extractor.h