Auto merge of #3241 - alexcrichton:curl-update, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 31 Oct 2016 18:28:31 +0000 (11:28 -0700)
committerGitHub <noreply@github.com>
Mon, 31 Oct 2016 18:28:31 +0000 (11:28 -0700)
Update curl and curl-sys

Pick up a few security related fixes in libcurl


Trivial merge