hg: openjfx/8/controls/rt: RT-31083: only use font property if looking up font for converting font relative values

[hang.vo at oracle.com]

Changeset: 12d2d28f86b8
Author:    David Grieve<david.grieve at oracle.com>
Date:      2013-06-17 19:31 -0400
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/12d2d28f86b8

RT-31083: only use font property if looking up font for converting font relative values

! javafx-ui-common/src/javafx/scene/CssStyleHelper.java