[teststabilization] RFR: 8231631: sun/net/ftp/FtpURLConnectionLeak.java fails intermittently with NPE

[Chris Hegarty]

> On 23 Oct 2019, at 18:20, Daniel Fuchs <daniel.fuchs at oracle.com> wrote:
> 
> Hi,
> 
> Please find below a trivial test fix for:
> 
> 8231631: sun/net/ftp/FtpURLConnectionLeak.java fails intermittently
>         with NPE
> https://bugs.openjdk.java.net/browse/JDK-8231631
> 
> webrev:
> http://cr.openjdk.java.net/~dfuchs/webrev_8231631/webrev.00/

LGTM.

-Chris.