Bug fix

Debug: Exec[percona-adminpass-root](provider=posix): Executing check 'mysqladmin -uroot -hlocalhost --no-defaults status'
Debug: Executing 'mysqladmin -uroot -hlocalhost --no-defaults status'
Debug: /Stage[main]//Node[g83-db.rg.net]/Rg::Percona::Add_privileges[desert_scales]/Percona::Adminpass[root]/Exec[percona-adminpass-root]/onlyif: mysqladmin: unknown option '--no-defaults'