auto merge of #252 : rust-lang/cargo/pkg-version-env-var, r=wycats
authorbors <bors@rust-lang.org>
Thu, 24 Jul 2014 06:29:38 +0000 (06:29 +0000)
committerbors <bors@rust-lang.org>
Thu, 24 Jul 2014 06:29:38 +0000 (06:29 +0000)

Trivial merge