hg: openjfx/2.2/controls/rt: fix RT-20639 Strange behavior for empty StackedAreaChart

[hang.vo at oracle.com]

Changeset: 0992d63e63b9
Author:    Paru Somashekar <paru.somashekar at oracle.com>
Date:      2012-03-27 22:47 -0700
URL:       http://hg.openjdk.java.net/openjfx/2.2/controls/rt/rev/0992d63e63b9

fix RT-20639 Strange behavior for empty StackedAreaChart

! javafx-ui-charts/src/javafx/scene/chart/StackedAreaChart.java