Enable golint

Signed-off-by: Daniel Nephin <dnephin@docker.com>

cli/command/stack/deploy.go

@@ -72,7 +72,7 @@ func checkDaemonIsSwarmManager(ctx context.Context, dockerCli *command.DockerCli
 		return err
 	}
 	if !info.Swarm.ControlAvailable {
-		return errors.New("This node is not a swarm manager. Use \"docker swarm init\" or \"docker swarm join\" to connect this node to swarm and try again.")
+		return errors.New("this node is not a swarm manager. Use \"docker swarm init\" or \"docker swarm join\" to connect this node to swarm and try again")
 	}
 	return nil
 }

cli/command/stack/ps.go

@@ -72,5 +72,5 @@ func runPS(dockerCli *command.DockerCli, opts psOptions) error {
 		}
 	}
 
-	return task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve), !opts.noTrunc, opts.quiet, format)
+	return task.Print(ctx, dockerCli, tasks, idresolver.New(client, opts.noResolve), !opts.noTrunc, opts.quiet, format)
 }