Update s3.rb
Update s3.rb

I used it for a week and it works well. Try it if you want:)
tinglinux/logstash-kafka,opentable/logstash-kafka,opentable/logstash-kafka,Aloomaio/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka,tinglinux/logstash-kafka,joekiller/logstash-kafka