mozilla-b2g/gaia — pull request #4317 by ochameau (2012-09-04 20:04:54+00:00)
Title: Issue 4314: ensure xulrunner sdk is installed before running webapp-zip rule.

Oops, I forgot `install-xulrunner-sdk` for `wepapp-zip`.
Should solve:
https://github.com/mozilla-b2g/gaia/issues/4314