irssi: update to 0.8.20

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

net/irssi/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=irssi
-PKG_VERSION:=0.8.17
+PKG_VERSION:=0.8.20
 PKG_RELEASE:=1
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=http://irssi.org/files/
-PKG_MD5SUM:=ecf64be47978d89a742b435a81cb47db
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://github.com/irssi/irssi/releases/download/0.8.20/
+PKG_MD5SUM:=67d48c5feec2d3b949d088aa4abc3601
 
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
@@ -64,7 +64,6 @@ CONFIGURE_ARGS += \
 	--with-perl=no \
 	--with-glib-prefix="$(STAGING_DIR)/usr" \
 	--with-textui \
-	--without-terminfo \
 	--without-bot \
 	--disable-proxy