Homebrew/homebrew — pull request #30783 by jamesoff (2014-07-10 08:48:56+00:00)
Title: nagios: don't fail make install with space in user's group name

Fixes a failure during 'make install' if your group name has a space in
it - for example if your OS X account comes from an AD domain, your
group name may be "DOMAIN\Domain Users".