logstash/logstash — pull request #661 by senuphtyz (2013-09-23 11:55:08+00:00)
Title: Bugfix for NoMethodError.

Sometimes with ipv6 the geoip instance is nil. After this error happens
geoip data no longer set by geoip filter.
This bugfix just prevent that sympthoms in reconstructing the geoip
instance.