dnschneid/crouton — pull request #1076 by drinkcat (2014-09-25 23:11:12+00:00)
Title: targets/audio: If commit id is not found, fall back on master

Can happen with developer builds using prebuilt packages, see http://crbug.com/417820.

In this case, we assume that the developer will update the machine frequently and using `master` is appropriate.