run 'go mod tidy'

Author: tstromberg

Diff for: go.mod

@@ -67,6 +67,7 @@ require (
 	github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c // indirect
 	github.com/xeipuuv/gojsonschema v0.0.0-20160623135812-c539bca196be
 	github.com/zchee/go-vmnet v0.0.0-20161021174912-97ebf9174097
+	golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d
 	golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8
 	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58

Diff for: go.sum

@@ -114,8 +114,6 @@ github.com/docker/go-connections v0.3.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5Xh
 github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk=
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docker/libnetwork v0.0.0-20180830151422-a9cd636e3789/go.mod h1:93m0aTqz6z+g32wla4l4WxTrdtvBRmVzYRkYvasA5Z8=
-github.com/docker/machine v0.7.1-0.20190718054102-a555e4f7a8f5 h1:/2G2PrqxKga8hAVGPri/5NEv24rvDwXoH5pjPXUBCpA=
-github.com/docker/machine v0.7.1-0.20190718054102-a555e4f7a8f5/go.mod h1:I8mPNDeK1uH+JTcUU7X0ZW8KiYz0jyAgNaeSJ1rCfDI=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96 h1:cenwrSVm+Z7QLSV/BsnenAOcDXdX4cMv4wP0B/5QbPg=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@@ -519,6 +517,7 @@ go.uber.org/atomic v0.0.0-20181018215023-8dc6146f7569/go.mod h1:gD2HeocX3+yG+ygL
 go.uber.org/multierr v0.0.0-20180122172545-ddea229ff1df/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v0.0.0-20180814183419-67bc79d13d15/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
+golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d h1:E2M5QgjZ/Jg+ObCQAudsXxuTsLj7Nl5RV/lZcQZmKSo=
 golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=