hg: openjfx/8/controls/rt: RT-30358: ensure SetChangeListener.Change is not created if there are no listeners to css BitSet.

[hang.vo at oracle.com]

Changeset: c0673a05cc60
Author:    David Grieve<david.grieve at oracle.com>
Date:      2013-05-13 17:20 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/c0673a05cc60

RT-30358: ensure SetChangeListener.Change is not created if there are no listeners to css BitSet.

! javafx-ui-common/src/com/sun/javafx/css/BitSet.java