HIVE-6658 : Modify Alter_numbuckets* test to reflect hadoop2 changes(Laljo John Pullokkaran via Jason Dere)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1579272 13f79535-47bb-0310-9956-ffa450edef68

Conflicts:
	ql/src/test/results/clientpositive/alter_numbuckets_partitioned_table.q.out
	ql/src/test/results/clientpositive/alter_numbuckets_partitioned_table2.q.out