hg: openjfx/9-dev/rt: 8157390: Correct unused import in FXDnD

[david.hill at oracle.com]

Changeset: 8539aa45f3b6
Author:    ddhill
Date:      2016-05-20 10:00 -0700
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/8539aa45f3b6

8157390: Correct unused import in FXDnD
Reviewed-by: kcr

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