[BUGFIX] Shows only insecure versions in review form

Due to the check for review_state < 0 all versions that
are outdated (-2) will be shown as insecure (-1)

Change-Id: I6efa22a55a8fd0dac0c5ce1c326858bb4f795185
Resolves: #62865
Reviewed-on: http://review.typo3.org/33988
Reviewed-by: Tomas Norre Mikkelsen <tomasnorre@gmail.com>
Tested-by: Thomas Löffler <loeffler@spooner-web.de>
Reviewed-by: Philipp Gampe <philipp.gampe@typo3.org>