Upgrade editors/openoffice-4 to version 4.1.6:
- Fixed bugs which caused improper handling (crashes) when using Microsoft Drawing Binary File format
- Fix a loop that visits all objects on a page so that all objects get visited
- Updated logos
Release notes: https://s.apache.org/AOO-416releasenotes
Pet portlint (add missing USES= entries).
Approved by: ports-secteam (miwi)