#794 - Refactor - tidy code, use uppercase L for Long literal

src/main/java/com/avaje/ebeaninternal/server/persist/DmlUtil.java

@@ -10,6 +10,6 @@ public class DmlUtil {
    * Return true if the value is null or a Numeric 0 (for primitive int's and long's) or Option empty.
    */
   public static boolean isNullOrZero(Object value) {
-    return value == null || value instanceof Number && ((Number) value).longValue() == 0l;
+    return value == null || value instanceof Number && ((Number) value).longValue() == 0L;
   }
 }