[PATCH] smartset: fix generatorset.last() to not return the first element (issue5609)

[Augie Fackler]

On Wed, Jun 28, 2017 at 12:14:53AM +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1498575022 -32400
> #      Tue Jun 27 23:50:22 2017 +0900
> # Node ID f4f9cdc4a63d2e158396c58015b029b47aeed301
> # Parent  e88fdec9cb9ebc58e217f7e591ea15afe928c1c8
> smartset: fix generatorset.last() to not return the first element (issue5609)

queued, thanks