Auto merge of #5581 - kngwyu:for-racer, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 28 May 2018 02:45:30 +0000 (02:45 +0000)
committerbors <bors@rust-lang.org>
Mon, 28 May 2018 02:45:30 +0000 (02:45 +0000)
Add missing reexport for #5572

Sorry I forgot to change `mod.rs` in #5572


Trivial merge