hg: openjfx/8/controls/rt: fix RT-26845 PieChart.Data's changed name is not reflected in the Legend or PieLabel + unit test.

[hang.vo at oracle.com]

Changeset: d20210a6c862
Author:    Paru Somashekar <paru.somashekar at oracle.com>
Date:      2012-12-12 14:50 -0800
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/d20210a6c862

fix RT-26845 PieChart.Data's changed name is not reflected in the Legend or PieLabel + unit test.

! javafx-ui-charts/src/javafx/scene/chart/PieChart.java
! javafx-ui-charts/test/javafx/scene/chart/PieChartTest.java