Clearer casting

h2/src/main/org/h2/util/Utils.java

@@ -92,7 +92,7 @@ public class Utils {
      * @return the value
      */
     public static long readLong(byte[] buff, int pos) {
-        return ((long) (readInt(buff, pos)) << 32) + (readInt(buff, pos + 4) & 0xffffffffL);
+        return (((long) readInt(buff, pos)) << 32) + (readInt(buff, pos + 4) & 0xffffffffL);
     }
 
     /**