mitchellh/vagrant — pull request #4713 by aspiers (2014-10-25 14:40:10+00:00)
Title: silence warnings about unescaped '-' in re char class

Eliminate warnings like this:

vagrant/plugins/hosts/linux/cap/nfs.rb:74: warning: character class has '-' without escape: /^# VAGRANT-BEGIN:( 1000)? ([\.\/A-Za-z0-9-_]+?)$/