hg: openjfx/jfx-dev/rt: 8222212: Memory Leak with SwingNode using Drag and Drop function

[prasanta.sadhukhan at oracle.com]

Changeset: 42c50cfa7dbf
Author:    psadhukhan
Date:      2019-06-26 11:07 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/42c50cfa7dbf

8222212: Memory Leak with SwingNode using Drag and Drop function
Reviewed-by: kcr

! modules/javafx.swing/src/main/java/com/sun/javafx/embed/swing/FXDnD.java
! modules/javafx.swing/src/main/java/com/sun/javafx/embed/swing/newimpl/FXDnDInteropN.java
+ tests/system/src/test/java/test/javafx/embed/swing/SwingNodeDnDMemoryLeakTest.java