Lint error when installing swarmkit

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1

hi - looking for any help on this error when trying to install swarmkit per https://github.com/docker/swarmkit/blob/master/BUILDING.md
Just checked it out as noted there, and ran into this lint error. Any help here or on #docker (bryan_att) is appreciated.
I raised a PR for this as suggested on slack #swarm: https://github.com/docker/swarmkit/issues/2303

~/go/src/github.com/docker/swarmkit$ make
:whale: fmt
:whale: bin/swarmd
:whale: bin/swarmctl
:whale: bin/swarm-bench
:whale: bin/swarm-rafttool
:whale: bin/protoc-gen-gogoswarm
:whale: binaries
:whale: vet
:whale: lint
manager/deks.go:244:16: should omit type encryption.Decrypter from declaration of var decrypter; it will be inferred from the right-hand side
manager/deks.go:260:16: should omit type encryption.Encrypter from declaration of var encrypter; it will be inferred from the right-hand side
Makefile:82: recipe for target ‘lint’ failed
make: *** [lint] Error 1