irssi: security update to 1.2.1

https://irssi.org/2019/06/29/irssi-1.2.1-1.1.3-1.0.8-released/

I've never experienced issues with almost daily SASL authentications.
Update works, nothing new besides fixing a use after free.

OK?

Index: Makefile
===================================================================
RCS file: /cvs/ports/net/irssi/Makefile,v
retrieving revision 1.79
diff -u -p -r1.79 Makefile
--- Makefile 18 Feb 2019 18:35:57 -0000 1.79
+++ Makefile 28 Jun 2019 22:34:24 -0000
@@ -2,7 +2,7 @@

COMMENT = modular IRC client with many features (ipv6,socks,proxy)

-V = 1.2.0
+V = 1.2.1
DISTNAME = irssi-$V
PKGSPEC = irssi-=$V

Index: distinfo
===================================================================
RCS file: /cvs/ports/net/irssi/distinfo,v
retrieving revision 1.32
diff -u -p -r1.32 distinfo
--- distinfo 17 Feb 2019 19:25:43 -0000 1.32
+++ distinfo 28 Jun 2019 22:23:58 -0000
@@ -1,2 +1,2 @@
-SHA256 (irssi-1.2.0.tar.gz) = NQ38X9jbiB5vGYLaBGaQC1sXVSfpqU1praC36Qpz4+o=
-SIZE (irssi-1.2.0.tar.gz) = 1840945
+SHA256 (irssi-1.2.1.tar.gz) = /YsO8lRP22kSESk93tPc9u2H8heB2xnn32Lq15fxigY=
+SIZE (irssi-1.2.1.tar.gz) = 1843164