elasticsearch.rb in logstash-input-elasticsearch-4.8.1

- old
+ new

@@ -2,9 +2,10 @@
 require "logstash/inputs/base"
 require "logstash/namespace"
 require "logstash/json"
 require "logstash/util/safe_uri"
 require "base64"
+require_relative "patch"
 
 
 # .Compatibility Note
 # [NOTE]
 # ================================================================================