Tyler Hobbs as a follow-up cassandra_src all time

ce3ce44a5379f7de162b059fb99641fc4e6a344a | Author: Sam Tunnicliffe <sam@beobal.com>
 | 2015-05-06 17:22:20-05:00

    Fix regression in DISTINCT queries w/ deletions
    
    Patch by Sam Tunnicliffe; reviewed by Tyler Hobbs as a follow-up for
    CASSANDRA-8717