Rtl: "Justify alignment" is missing

Precondition:
rtl.qml import QtQuick1.0

Reproduction Steps:
1. execute rtl.qml using qmlviewer
2. press the indicator at the bottom-most of the screen
3. abserve the change of the indicator

Expected Result:
the change is in order: Implicit alignment, Left alignment, Right alignment, Center alignment, Justify alignment

Actual result:
Justify alignment is missing and Center alignment is double.
the change is in order: Implicit alignment, Left alignment, Right alignment, Center alignment, Center alignment