bump ftw with a possible fix for JRUBY-6970
bump ftw with a possible fix for JRUBY-6970

tinglinux/logstash-kafka,Aloomaio/logstash-kafka,opentable/logstash-kafka,opentable/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka,tinglinux/logstash-kafka,joekiller/logstash-kafka