From 7200653e16ee9af89aac57639d18c17f69e5bb5b Mon Sep 17 00:00:00 2001
From: Michael Brown <supermathie@gmail.com>
Date: Fri, 27 Dec 2019 12:39:08 -0500
Subject: [PATCH] FIX: cache_critical_dns was erroring without IPAddr

* sometimes cache_critical_dns would error out since "IPAddr" was
  undefined
* sometimes it autoloaded, so no error
---
 script/cache_critical_dns | 1 +
 1 file changed, 1 insertion(+)

diff --git a/script/cache_critical_dns b/script/cache_critical_dns
index ce032c4ffd5..5b75ddc97ef 100755
--- a/script/cache_critical_dns
+++ b/script/cache_critical_dns
@@ -1,6 +1,7 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
 
+require 'ipaddr'
 require 'resolv'
 require 'time'
 require 'socket'