#009325: Wrong values in placement boxes while moving class attributes in class attributes edit.

In class attributes edit if press moveUp button on upper attribute than order of attributes changed correctly but numbers in boxes are wrong.

Operating System:
PHP Version: (please be specific, like '4.4.3' or '5.1.5')
Database and version:

Go to the Setup -> Class -> Edit button near "Article" class.
In resulting window with list of class attributes press Up button on the very top attribute. Resulting page content wrong order numbers in boxes near move buttons.