Add @transient marker.

Author: concretevitamin

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala

@@ -228,11 +228,11 @@ case class CaseWhen(branches: Seq[Expression]) extends Expression {
     branches(1).dataType
   }
 
-  private[this] lazy val branchesArr = branches.toArray
-  @transient private[this] lazy val predicates = branches
-    .sliding(2, 2).collect { case Seq(cond, _) => cond }.toSeq
-  @transient private[this] lazy val values = branches
-    .sliding(2, 2).collect { case Seq(_, value) => value }.toSeq
+  @transient private[this] lazy val branchesArr = branches.toArray
+  @transient private[this] lazy val predicates =
+    branches.sliding(2, 2).collect { case Seq(cond, _) => cond }.toSeq
+  @transient private[this] lazy val values =
+    branches.sliding(2, 2).collect { case Seq(_, value) => value }.toSeq
 
   override def nullable = {
     // If no value is nullable and no elseValue is provided, the whole statement defaults to null.