Backport Fix broken olink found by docbook-linktester

git-svn-id: https://svn.forgerock.org/opendj/trunk/opends@11132 41b1ffd8-f28e-4786-ab96-9950f0a78031
DOCS-221: Update doc build tools

git-svn-id: https://svn.forgerock.org/opendj/trunk/opends@11138 41b1ffd8-f28e-4786-ab96-9950f0a78031