Auto merge of #3248 - alexcrichton:bad2, r=brson
authorbors <bors@rust-lang.org>
Thu, 3 Nov 2016 16:02:30 +0000 (09:02 -0700)
committerGitHub <noreply@github.com>
Thu, 3 Nov 2016 16:02:30 +0000 (09:02 -0700)
Default urls in [replace] to crates.io

The intention was to do this, and it mistakenly didn't happen!

Closes #3235


Trivial merge