hg: openjfx/8u-dev/rt: 8187781: "InvalidDnDOperationException: Drag and drop in progress" while running javafx application with option -Djavafx.embed.singleThread=true

[prasanta.sadhukhan at oracle.com]

Changeset: de4a560b579f
Author:    psadhukhan
Date:      2017-10-20 12:48 +0530
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/de4a560b579f

8187781: "InvalidDnDOperationException: Drag and drop in progress" while running javafx application with option -Djavafx.embed.singleThread=true
Reviewed-by: kcr

! modules/swing/src/main/java/javafx/embed/swing/FXDnD.java