Homebrew/homebrew — pull request #27264 by erlendurj (2014-03-06 15:12:53+00:00)
Title: open-babel: fix for issue #23831

This is a backport from upstream of commit
c3abbddae78e654df9322ad1020ff79dd6332946, allowing libc++ to work with
Open-babel 2.3.2.