/usr/ is in libgsecuredelete-dev 0.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/pkgconfig/
/usr/share/
/usr/share/doc/
/usr/share/doc/libgsecuredelete-dev/
/usr/share/doc/libgsecuredelete-dev/HACKING
/usr/share/doc/libgsecuredelete-dev/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libgsecuredelete-dev
/usr/include/
/usr/include/gsecuredelete/
/usr/include/gsecuredelete/gsecuredelete.vapi
/usr/include/gsecuredelete/gsecuredelete.h
/usr/lib/
/usr/lib/libgsecuredelete.a
/usr/lib/pkgconfig/gsecuredelete.pc
/usr/share/doc/libgsecuredelete-dev/AUTHORS
/usr/share/doc/libgsecuredelete-dev/NEWS.gz
/usr/share/doc/libgsecuredelete-dev/README
/usr/share/doc/libgsecuredelete-dev/TODO
/usr/share/doc/libgsecuredelete-dev/changelog.Debian.gz
/usr/lib/libgsecuredelete.so