auto merge of #580 : alexcrichton/cargo/fix-cargo-doc, r=brson
authorbors <bors@rust-lang.org>
Wed, 17 Sep 2014 00:28:36 +0000 (00:28 +0000)
committerbors <bors@rust-lang.org>
Wed, 17 Sep 2014 00:28:36 +0000 (00:28 +0000)
There's no "doc-all" profile, so it needs to be canonicalized when finding the
name of the profile to pass to a build command.


Trivial merge