hg: openjfx/8/graphics/rt: RT-34351: [SWT] FXCanvas: Exception printed and null pointers when running older versions of SWT on retina

[hang.vo at oracle.com]

Changeset: 51d3645c0d8f
Author:    snorthov
Date:      2013-11-20 09:57 -0500
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/51d3645c0d8f

RT-34351: [SWT] FXCanvas: Exception printed and null pointers when running older versions of SWT on retina
Summary: The fix was to check for null when attempting to get SWT methods.  If the methods are not there, then this is a older version of SWT and retina is not supported in SWT
Reviewed-by: snorthov (owner)

! modules/swt/src/main/java/javafx/embed/swt/FXCanvas.java