_go-common.mk: Hack around install.goreleaser.com being broken
_go-common.mk: Hack around install.goreleaser.com being broken

<Rafael Schloming> https://circleci.com/gh/datawire/teleproxy/837 any
                   clue why the mac build is failing? it's a
                   permissions thing, so maybe mac people would have
                   more of a clue?
<Luke Shumaker> @rhs At 8:34 last night,
                https://install.goreleaser.com/github.com/golangci/golangci-lint.sh
                added `rm -rf "${tmpdir}"` to the end of their script,
                and `tmpdir` gets set in a braindead way if `TMPDIR`
                is set.  So the short-term fix is swap that URL for
                https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh,
                and the longer-term fix is to go yell at the
                goreleaser guys and maybe send them a PR.

See also:
  https://github.com/goreleaser/godownloader/issues/104
  https://github.com/client9/shlib/issues/15
  https://github.com/goreleaser/godownloader/pull/105

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