CentOS: Fix call to fpm to work with latest version
CentOS: Fix call to fpm to work with latest version

chrisroberts/vagrant-installers,chrisroberts/vagrant-installers,chrisroberts/vagrant-installers,redhat-developer-tooling/vagrant-installers,chrisroberts/vagrant-installers,mitchellh/vagrant-installers,redhat-developer-tooling/vagrant-installers,chrisroberts/vagrant-installers,chrisroberts/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,redhat-developer-tooling/vagrant-installers,mitchellh/vagrant-installers,mitchellh/vagrant-installers,redhat-developer-tooling/vagrant-installers