[SPARK-3850] Turn style checker on for trailing whitespaces.

Author: Reynold Xin <rxin@databricks.com>

Closes #6541 from rxin/trailing-whitespace-on and squashes the following commits:

f72ebe4 [Reynold Xin] [SPARK-3850] Turn style checker on for trailing whitespaces.

2 files changed, 2 insertions, 2 deletions

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameStatFunctions.scala b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameStatFunctions.scala
index 5d106c1ac2..b624eaa201 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameStatFunctions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameStatFunctions.scala
@@ -43,7 +43,7 @@ final class DataFrameStatFunctions private[sql](df: DataFrame) {
 
   /**
    * Calculates the correlation of two columns of a DataFrame. Currently only supports the Pearson
-   * Correlation Coefficient. For Spearman Correlation, consider using RDD methods found in 
+   * Correlation Coefficient. For Spearman Correlation, consider using RDD methods found in
    * MLlib's Statistics.
    *
    * @param col1 the name of the column
diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
index 4af31d482c..440b7c87b0 100644
--- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
+++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
@@ -57,7 +57,7 @@ class HiveQuerySuite extends HiveComparisonTest with BeforeAndAfter {
     // https://cwiki.apache.org/confluence/display/Hive/DeveloperGuide+UDTF
     sql(
       """
-        |CREATE TEMPORARY FUNCTION udtf_count2 
+        |CREATE TEMPORARY FUNCTION udtf_count2
         |AS 'org.apache.spark.sql.hive.execution.GenericUDTFCount2'
       """.stripMargin)
   }