puppet package problem

   case $operatingsystemrelease {
      "/^5[\.]*[0-9]*/": {
         $ncursesx86rpm="ncurses.i386"
      }
      "/^6[\.]*[0-9]*/": {
         $ncursesx86rpm="ncurses.i686"
      }
   }

   package {
      $ncursesx86rpm:
         ensure  => latest;
   }