hg: jdk10/client/jdk: 8136999: [macosx] NSException and NPE in a crash test

[manajit.halder at oracle.com]

Changeset: fd986bf973c6
Author:    mhalder
Date:      2017-08-11 18:17 +0530
URL:       http://hg.openjdk.java.net/jdk10/client/jdk/rev/fd986bf973c6

8136999: [macosx] NSException and NPE in a crash test
Reviewed-by: serb
Contributed-by: manajit.halder at oracle.com

! src/java.desktop/macosx/classes/sun/lwawt/macosx/CDropTargetContextPeer.java
! src/java.desktop/macosx/native/libawt_lwawt/awt/CDropTarget.m
+ test/java/awt/dnd/RemoveDropTargetCrashTest/RemoveDropTargetCrashTest.java