Make package private class final

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVParser.java

@@ -142,7 +142,7 @@
  */
 public final class CSVParser implements Iterable<CSVRecord>, Closeable {
 
-    class CSVRecordIterator implements Iterator<CSVRecord> {
+    final class CSVRecordIterator implements Iterator<CSVRecord> {
         private CSVRecord current;
 
         private CSVRecord getNextRecord() {