hg: openjfx/10-dev/rt: 8187781: "InvalidDnDOperationException: Drag and drop in progress" while running javafx application with option -Djavafx.embed.singleThread=true

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Changeset: 48181ab479ee
Author:    psadhukhan
Date:      2017-09-26 14:38 +0530
URL:       http://hg.openjdk.java.net/openjfx/10-dev/rt/rev/48181ab479ee

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

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