Q3DateTimeEdit with setAutoAdvance(true) asserts if locale is not with AM/PM

If setAutoAdvance(true) is set on a Q3DateTimeEdit on a system that is using a locale that is not showing time with AM / PM.

When the seconds is changed and AutoAdvance it set it will try to move focus to the next section. But since the locale is not showing the AM/PM section, it will assert.

Example Code:

#include <QtGui>
#include <Q3DateTimeEdit.h>
int main(int argv, char *args[])
{
QApplication app(argv, args);
QWidget win;
Q3DateTimeEdit *dt = new Q3DateTimeEdit(&win);
dt->setAutoAdvance(true);
win.show();
return app.exec();
}