BATCH-162: Fixed NFL Sample job

infrastructure/src/main/java/org/springframework/batch/item/provider/InputSourceItemProvider.java

@@ -45,8 +45,7 @@ public class InputSourceItemProvider extends AbstractItemProvider implements Res
 	 * @see org.springframework.batch.item.ItemProvider#next()
 	 */
 	public Object next() {
-		Object value = inputSource.read();
-		return value;
+		return inputSource.read();
 	}
 
 	/**

infrastructure/src/test/java/org/springframework/batch/repeat/support/AbstractTradeBatchTests.java

@@ -57,6 +57,10 @@ public abstract class AbstractTradeBatchTests extends TestCase {
 			inputSource.afterPropertiesSet();
 			setInputSource(inputSource);
 		}
+
+		public synchronized Object next() {
+			return super.next();
+		}
 	}
 
 	protected static class TradeMapper implements FieldSetMapper{