Undefined fields in outputs/elasticsearch/client.go

[yanosz]

Hello,

Building serialbeat yields:

go build -i
# github.com/benben/serialbeat/vendor/github.com/elastic/beats/libbeat/outputs/elasticsearch
vendor/github.com/elastic/beats/libbeat/outputs/elasticsearch/client.go:583: u.Hostname undefined (type *url.URL has no field or method Hostname)
vendor/github.com/elastic/beats/libbeat/outputs/elasticsearch/client.go:584: u.Port undefined (type *url.URL has no field or method Port)
vendor/github.com/elastic/beats/libbeat/outputs/elasticsearch/client.go:585: u.Port undefined (type *url.URL has no field or method Port)
vendor/github.com/elastic/beats/libbeat/scripts/Makefile:91: recipe for target 'serialbeat' failed