Rollup merge of #40864 - steveklabnik:update-submodules, r=nrc

Update various book modules

This includes an important fix for rustc contributors in
https://github.com/rust-lang/book/pull/571

I'm going to update the other ones as well here while we're at it; no
need to spam PRs.

r? @nrc
This commit is contained in:
Corey Farwell
2017-03-28 23:19:25 -04:00
committed by GitHub
3 changed files with 3 additions and 3 deletions