elixir-lang/elixir — pull request #1787 by fishcakez (2013-10-22 16:59:45+00:00)
Title: Fix typo s/Mix.Shell.error/Mix.shell.error/

Resolves the following dialyzer warning from #1569:

```
lib/mix/lib/mix/rebar.ex:142: Call to missing or unexported function 'Elixir.Mix.Shell':error/1
```