irssi: update to 1.2.1
Current version in our repositories
1.1.2
https://code.chakralinux.org/chakra/packages/desktop/blob/master/irssi/PKGBUILD
New version available upstream
1.2.1 (or 1.1.3 for just the security fix)
https://irssi.org/2019/06/29/irssi-1.2.1-1.1.3-1.0.8-released/