HIVE-8392: HiveServer2 Operation.close fails on windows (Vaibhav Gumashta reviewed by Thejas Nair, Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1635718 13f79535-47bb-0310-9956-ffa450edef68