lang/voc: Update to 2.1.1

Changelog:

https://github.com/vishaps/voc/blob/master/doc/History.md

While here reorder vars.

Approbed by: antranigv@freebsd.am (maintainer)
MFH: 2022Q2 (bugfix release)
Differential Revision: https://reviews.freebsd.org/D34843