Fix golink install link.

Author: brocaar

Makefile

@@ -32,7 +32,7 @@ snapshot:
 	@goreleaser --snapshot
 
 dev-requirements:
-	go get -u github.com/golang/lint/golint
+	go get -u golang.org/x/lint/golint
 	go get -u github.com/kisielk/errcheck
 	go get -u github.com/golang/dep/cmd/dep
 	go get -u github.com/goreleaser/goreleaser