HIVE-4690 : stats_partscan_1.q makes different result with different hadhoop.mr.rev (Navis & Brock Noland via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1529054 13f79535-47bb-0310-9956-ffa450edef68