am 4ee085a7: fix error in doclava that was causing \'toroot\' variable to show up at the beginning of federated URLs bug: 13512870

* commit '4ee085a7af0e53f0f892de292702ed90f84957da':
  fix error in doclava that was causing 'toroot' variable to show up at the beginning of federated URLs bug: 13512870