remove whitespaces from the result of the tar options check https://logstash.jira.com/browse/LOGSTASH-473
remove whitespaces from the result of the tar options check https://logstash.jira.com/browse/LOGSTASH-473

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