net-im/openfire: Update to 4.6.5

- Change option names to be more readable
- Pet portclippy and portfmt

Changes:		http://download.igniterealtime.org/openfire/docs/4.6.5/changelog.html
PR:			260428
Approved by:		philip (mentor)
Differential Revision:	https://reviews.freebsd.org/D33556