HIVE-6750 : Hive printing debug information in stdout after the end of CLI session (Vaibhav Gumashta via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1582135 13f79535-47bb-0310-9956-ffa450edef68