obfs4 fails to build in nightly builds
The build of obfs4 fails to build with the following error:
Starting build: Sun Mar 31 01:47:41 2019
# gitlab.com/yawning/obfs4.git/transports/meeklite
/var/tmp/dist/gopath/src/gitlab.com/yawning/obfs4.git/transports/meeklite/transport.go:51:29: undefined: "gitlab.com/yawning/utls.git".HelloFirefox_65
/var/tmp/dist/gopath/src/gitlab.com/yawning/obfs4.git/transports/meeklite/transport.go:56:29: undefined: "gitlab.com/yawning/utls.git".HelloChrome_72
/var/tmp/dist/gopath/src/gitlab.com/yawning/obfs4.git/transports/meeklite/transport.go:59:29: undefined: "gitlab.com/yawning/utls.git".HelloIOS_12_1
/var/tmp/dist/gopath/src/gitlab.com/yawning/obfs4.git/transports/meeklite/transport.go:248:2: undefined: "gitlab.com/yawning/utls.git".EnableVartimeAES
This is probably fixed by updating the utls tag.