- Fix unintentional overwriting of tcpserver socket. 's' was a silly   variable name anyway. - Fix bug in udp server variable name.
- Fix unintentional overwriting of tcpserver socket. 's' was a silly
  variable name anyway.
- Fix bug in udp server variable name.

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