RFR(trivial): 8233574: Shenandoah: build is broken without jfr

[Jie Fu]

Thanks Roman for your review.

Could you please sponsor it?

Thanks a lot.
Best regards,
Jie

On 2019/11/5 下午3:50, Roman Kennke wrote:
> Hi Jie,
>
> the change looks good (and trivial), thank you!
>
> Roman
>
>> Hi all,
>>
>> May I get reviews for the one-line change?
>> This bug was found while I was testing David's patch for JDK-8233454 [1].
>>
>> JBS:    https://bugs.openjdk.java.net/browse/JDK-8233574
>> Webrev: http://cr.openjdk.java.net/~jiefu/8233574/webrev.00/
>>
>> Thanks a lot.
>> Best regards,
>> Jie
>>
>> [1]
>> https://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2019-November/036788.html
>>
>>
>>