/usr/ is in libsparkline-php 0.2-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/php/
/usr/share/php/sparkline/
/usr/share/php/sparkline/Object.php
/usr/share/php/sparkline/Sparkline.php
/usr/share/php/sparkline/Sparkline_Bar.php
/usr/share/php/sparkline/Sparkline_Line.php
/usr/share/doc/
/usr/share/doc/libsparkline-php/
/usr/share/doc/libsparkline-php/DESIGN
/usr/share/doc/libsparkline-php/README
/usr/share/doc/libsparkline-php/copyright
/usr/share/doc/libsparkline-php/examples/
/usr/share/doc/libsparkline-php/examples/baseball.php
/usr/share/doc/libsparkline-php/examples/deficit.php
/usr/share/doc/libsparkline-php/examples/filled.php
/usr/share/doc/libsparkline-php/examples/primitives.php
/usr/share/doc/libsparkline-php/examples/stock_chart.php
/usr/share/doc/libsparkline-php/examples/stock_chart2.php
/usr/share/doc/libsparkline-php/examples/stock_chart3.php
/usr/share/doc/libsparkline-php/changelog.Debian.gz