Fix for OVPMS-1474 Time wrong on worklist if over 24 hours

git-svn-id: svn://svn.openvpms.org/openvpms/vpms/trunk@5940 9e4fa352-aafb-0310-9071-df624684024b
Merge branch 'remote-trunk' into 1.7.1-CDIT-beta