/usr/share/postgresql/9.5/extension/ is in postgresql-9.5-mimeo 1.4.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/postgresql/9.5/extension/mimeo--0.1.0--0.2.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.0--0.10.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.1--0.10.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.2--0.10.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.3--0.10.4.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.4--0.10.5.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.5--0.10.6.sql
/usr/share/postgresql/9.5/extension/mimeo--0.10.6--0.11.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.11.0--0.11.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.11.1--0.12.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.12.0--0.12.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.12.1--0.12.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.12.2--0.12.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.12.3--0.13.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.13.0--0.13.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.13.1--0.13.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.13.2--1.0.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.2.0--0.2.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.2.1--0.2.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.2.2--0.2.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.2.3--0.3.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.3.0--0.3.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.3.1--0.3.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.3.2--0.3.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.3.3--0.4.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.0--0.4.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.1--0.4.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.2--0.4.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.3--0.4.4.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.4--0.4.5.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.5--0.4.6.sql
/usr/share/postgresql/9.5/extension/mimeo--0.4.6--0.5.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.5.0--0.5.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.5.1--0.5.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.5.2--0.5.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.5.3--0.6.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.6.0--0.6.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.6.1--0.7.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.7.0--0.7.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.7.1--0.7.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.7.2--0.8.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.8.0--0.8.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.8.1--0.8.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.8.2--0.8.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.8.3--0.8.4.sql
/usr/share/postgresql/9.5/extension/mimeo--0.8.4--0.9.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.9.0--0.9.1.sql
/usr/share/postgresql/9.5/extension/mimeo--0.9.1--0.9.2.sql
/usr/share/postgresql/9.5/extension/mimeo--0.9.2--0.9.3.sql
/usr/share/postgresql/9.5/extension/mimeo--0.9.3--0.10.0.sql
/usr/share/postgresql/9.5/extension/mimeo--0.9.3--0.10.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.0.0--1.0.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.0.1--1.1.0.sql
/usr/share/postgresql/9.5/extension/mimeo--1.1.0--1.1.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.1.1--1.2.0.sql
/usr/share/postgresql/9.5/extension/mimeo--1.2.0--1.2.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.2.1--1.2.2.sql
/usr/share/postgresql/9.5/extension/mimeo--1.2.2--1.2.3.sql
/usr/share/postgresql/9.5/extension/mimeo--1.2.3--1.3.0.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.0--1.3.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.1--1.3.2.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.2--1.3.3.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.3--1.3.4.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.4--1.3.5.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.5--1.3.6.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.6--1.3.7.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.7--1.3.8.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.8--1.3.9.sql
/usr/share/postgresql/9.5/extension/mimeo--1.3.9--1.4.0.sql
/usr/share/postgresql/9.5/extension/mimeo--1.4.0--1.4.1.sql
/usr/share/postgresql/9.5/extension/mimeo--1.4.1.sql
/usr/share/postgresql/9.5/extension/mimeo.control