Adds back deleted trailing space

Author: liancheng

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala

@@ -167,7 +167,7 @@ class HiveQuerySuite extends HiveComparisonTest {
 
   createQueryTest("Cast Timestamp to Timestamp in UDF",
     """
-       | SELECT DATEDIFF(CAST(value AS timestamp), CAST('2002-03-21 00:00:00' AS timestamp))
+       | SELECT DATEDIFF(CAST(value AS timestamp), CAST('2002-03-21 00:00:00' AS timestamp)) 
        | FROM src LIMIT 1
     """.stripMargin)