[FIX] trackers: 2nd part of fix for category fields not working reliably since the "descendants" option was added. Fixes tiki-view_tracker_item.php (anywhere else needed?)
[FIX] trackers: 2nd part of fix for category fields not working reliably since the "descendants" option was added. Fixes tiki-view_tracker_item.php (anywhere else needed?)

git-svn-id: 9bac41f8ebc9458fc3e28d41abfab39641e8bd1c@30038 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,changi67/tiki,oregional/tiki,oregional/tiki,changi67/tiki,tikiorg/tiki,changi67/tiki,oregional/tiki,changi67/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki