irssi: update to 1.1.1

Closes the following CVEs:

CVE-2018-7050
  https://nvd.nist.gov/vuln/detail/CVE-2018-7050

CVE-2018-7051
  https://nvd.nist.gov/vuln/detail/CVE-2018-7051

CVE-2018-7052
  https://nvd.nist.gov/vuln/detail/CVE-2018-7052

CVE-2018-7053
  https://nvd.nist.gov/vuln/detail/CVE-2018-7053

CVE-2018-7054
  https://nvd.nist.gov/vuln/detail/CVE-2018-7054

Signed-off-by: Peter Wagner <tripolar@gmx.at>

net/irssi/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=irssi
-PKG_VERSION:=1.0.6
+PKG_VERSION:=1.1.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=https://github.com/irssi/irssi/releases/download/1.0.6/
-PKG_HASH:=029e884f3ebf337f7266d8ed4e1a035ca56d9f85015d74c868b488f279de8585
+PKG_SOURCE_URL:=https://github.com/irssi/irssi/releases/download/1.1.1/
+PKG_HASH:=784807e7a1ba25212347f03e4287cff9d0659f076edfb2c6b20928021d75a1bf
 
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1