Update conditional syntax within workflow
Update conditional syntax within workflow

chrisroberts/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,chrisroberts/vagrant-installers,chrisroberts/vagrant-installers,chrisroberts/vagrant-installers,mitchellh/vagrant-installers,chrisroberts/vagrant-installers,chrisroberts/vagrant-installers