HIVE-4496 : JDBC2 won't compile with JDK7 (Chris Drome via Navis)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1496332 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into HIVE-4781