HIVE-6763 : HiveServer2 in http mode might send same kerberos client ticket in case of concurrent requests resulting in server throwing a replay exception (Vaibhav Gumashta via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1583087 13f79535-47bb-0310-9956-ffa450edef68