hg: openjfx/8/controls/rt: fix RT-25661 impossible to add new value at the beginning of BarChart after scene.show()

[hang.vo at oracle.com]

Changeset: 4ffc6d741427
Author:    Paru Somashekar <paru.somashekar at oracle.com>
Date:      2013-01-14 15:27 -0800
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/4ffc6d741427

fix RT-25661 impossible to add new value at the beginning of BarChart after scene.show()

! javafx-ui-charts/src/javafx/scene/chart/BarChart.java
! javafx-ui-charts/test/javafx/scene/chart/BarChartTest.java