adblock: update 2.8.1

* revert 'wan6' interface trigger in default config
  due to current procd limitation (see: #4521)

Signed-off-by: Dirk Brenken <dev@brenken.org>

net/adblock/files/adblock.conf

@@ -6,7 +6,7 @@ config adblock 'global'
 	option adb_debug '0'
 	option adb_forcesrt '0'
 	option adb_forcedns '0'
-	option adb_iface 'wan wan6'
+	option adb_iface 'wan'
 	option adb_triggerdelay '2'
 	option adb_whitelist '/etc/adblock/adblock.whitelist'
 	option adb_whitelist_rset '\$1 ~/^([A-Za-z0-9_-]+\.){1,}[A-Za-z]+/{print tolower(\"^\"\$1\"\\\|[.]\"\$1)}'

net/adblock/files/adblock.sh

@@ -10,7 +10,7 @@
 #
 LC_ALL=C
 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
-adb_ver="2.8.0-2"
+adb_ver="2.8.1"
 adb_sysver="$(ubus -S call system board | jsonfilter -e '@.release.description')"
 adb_enabled=1
 adb_debug=0