Fix compiler warning.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1620897 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVPrinterTest.java

@@ -169,7 +169,7 @@ public void testExcelPrintAllArrayOfArrays() throws IOException {
     public void testExcelPrintAllArrayOfLists() throws IOException {
         final StringWriter sw = new StringWriter();
         final CSVPrinter printer = new CSVPrinter(sw, CSVFormat.EXCEL);
-        printer.printRecords(new List[] { Arrays.asList("r1c1", "r1c2"), Arrays.asList("r2c1", "r2c2") });
+        printer.printRecords((Object[]) new List[] { Arrays.asList("r1c1", "r1c2"), Arrays.asList("r2c1", "r2c2") });
         assertEquals("r1c1,r1c2" + recordSeparator + "r2c1,r2c2" + recordSeparator, sw.toString());
         printer.close();
     }