HIVE-6939 : TestExecDriver.testMapRedPlan3 fails on hadoop-2 (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1589219 13f79535-47bb-0310-9956-ffa450edef68

Conflicts:
	ql/src/test/org/apache/hadoop/hive/ql/exec/TestExecDriver.java