[findbugs] Fix correctness warnings
-----------------------------------
Key: HBASE-5645
URL: https://issues.apache.org/jira/browse/HBASE-5645
Project: HBase
Issue Type: Sub-task
Reporter: Jonathan Hsieh
See
https://builds.apache.org/job/PreCommit-HBASE-Build/1313//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Fix the warnings in the correctness section.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
