opscode/omnibus-ruby — pull request #175 by dzautner (2014-05-19 13:55:44+00:00)
Title: Changed broken default version for libpng.

The default version set for libpng (1.5.17) does not exist in the source
provided.
I haved changed the version to 1.5.18 and changed the md5 hash to match
the newer version.