bsdperimeter/pfsense — pull request #304 by phil-davis (2013-01-03 12:58:26+00:00)
Title: Minimise rewriting of /etc/gettytab

See forum http://forum.pfsense.org/index.php/topic,57325.0.html
Avoid possible problems with having a partial /etc/gettytab file by not rewriting it at every boot.
This version is for RELENG_2_0.
Tested on Alix nanobsd system running 2.0.2.