/usr/share/ is in postgresql-comparator 2.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/postgresql-doc-9.3/
/usr/share/doc/postgresql-doc-9.3/contrib/
/usr/share/doc/postgresql-doc-9.3/contrib/README.pgc_checksum
/usr/share/doc/postgresql-doc-9.3/contrib/README.pgc_casts
/usr/share/doc/postgresql-doc-9.3/contrib/README.xor_aggregate
/usr/share/doc/postgresql-doc-9.3/contrib/README.pg_comparator
/usr/share/doc/postgresql-comparator/
/usr/share/doc/postgresql-comparator/README.pgc_checksum
/usr/share/doc/postgresql-comparator/README.pgc_casts
/usr/share/doc/postgresql-comparator/README.xor_aggregate
/usr/share/doc/postgresql-comparator/README.Debian
/usr/share/doc/postgresql-comparator/copyright
/usr/share/doc/postgresql-comparator/changelog.Debian.gz
/usr/share/postgresql/
/usr/share/postgresql/9.3/
/usr/share/postgresql/9.3/contrib/
/usr/share/postgresql/9.3/contrib/pgc_casts.sql
/usr/share/postgresql/9.3/contrib/pgc_checksum.sql
/usr/share/postgresql/9.3/contrib/xor_aggregate.sql
/usr/share/postgresql/9.1/
/usr/share/postgresql/9.1/contrib/
/usr/share/postgresql/9.1/contrib/pgc_casts.sql
/usr/share/postgresql/9.1/contrib/pgc_checksum.sql
/usr/share/postgresql/9.1/contrib/xor_aggregate.sql
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/pg_comparator.1.gz