wizards: fix javadoc error: bad use of '>'

Change-Id: Ide61f9ed907e8896ccb64b6c69b3a43068658ace
Reviewed-on: https://gerrit.libreoffice.org/11237
Reviewed-by: Thomas Arnhold <thomas@arnhold.org>
Tested-by: Thomas Arnhold <thomas@arnhold.org>