Review request for JMC-6377: Cleaning up warnings

[Guru]

+1, Looks good to me. 

Thanks,
Guru
> On 06-Feb-2019, at 8:31 PM, Marcus Hirt <marcus.hirt at oracle.com> wrote:
> 
> Hi all,
> 
> Please review this fix to clean up code generating warnings in Eclipse.
> 
> Jira:   https://bugs.openjdk.java.net/browse/JMC-6377
> Webrev: http://cr.openjdk.java.net/~hirt/JMC-6377/webrev.01/
> 
> Kind regards,
> Marcus
> 
> 
>