date_submitted isn't show correctly

[neokod]

Hi,

I customize the bugs list page, by this trick :
http://forums.mantisbt.org/viewtopic.php?t=28

This works for somes fields, but not for the date_submitted, it's show the unix timestamp rather the formatted date.

It's strange because for the "last_updated" date field, this works..

$t_columns[] = 'date_submitted';
$t_columns[] = 'last_updated';

Thanks for your help