Remove trailing whitespace.

Author: garydgregory

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

@@ -426,7 +426,7 @@ public void testExcelFormat2() throws Exception {
 
     /**
      * Tests an exported Excel worksheet with a header row and rows that have more columns than the headers
-     * 
+     *
      * @throws Exception
      */
     @Test