RFR: 8229129: ZGC: Fix incorrect format string for doubles

[Per Liden]

Thanks Stefan!

/Per

On 8/5/19 4:07 PM, Stefan Karlsson wrote:
> Looks good.
> 
> StefanK
> 
> On 2019-08-05 13:50, Per Liden wrote:
>> ZGC sometimes prints doubles with an incorrect format string, "%lf" 
>> instead of "%f". The "l" doesn't cause any problems, but it also has 
>> no meaning when printing doubles, so it should be removed.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8229129
>> Webrev: http://cr.openjdk.java.net/~pliden/8229129/webrev.0
>>
>> /Per