radiusclient-ng is no longer maintained, latest release was in 2007. So it seems reasonable to switch to net-dialup/freeradius-client
Github PR: https://github.com/gentoo/gentoo/pull/254
Commited: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ab02732cf87f5a8038e089147e4e0135da617a75 Thanks!
commit ab02732cf87f5a8038e089147e4e0135da617a75 Author: Alexander Tsoy <alexander@tsoy.me> Date: Sun Oct 18 14:53:44 2015 +0300 net-misc/asterisk: use freeradius-client instead of radiusclient-ng net-dialup/radiusclient-ng is no longer maintained upstream. It was superseded by net-dialup/freeradius-client Gentoo-Bug: 563410