git: openjdk/jfx: master: 8273071: SeparatorSkin: must remove child on dispose

[Jeanette Winzenburg]

Changeset: 2267b115
Author:    Jeanette Winzenburg <fastegal at openjdk.org>
Date:      2021-09-03 10:07:22 +0000
URL:       https://git.openjdk.java.net/jfx/commit/2267b115f907e7c9c447691569e48cf0b2b95029

8273071: SeparatorSkin: must remove child on dispose

Reviewed-by: arapte

! modules/javafx.controls/src/main/java/javafx/scene/control/skin/SeparatorSkin.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/skin/SkinMemoryLeakTest.java