HIVE-4552 : Vectorized RecordReader for ORC does not set the ColumnVector.IsRepeating correctly (Sarvesh Sakalanaga via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/vectorization@1483290 13f79535-47bb-0310-9956-ffa450edef68