RFR: 8337241: Shenandoah: Normalize include guards [v2]

[William Kemper]

On Fri, 26 Jul 2024 07:53:22 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add missing whitespace
>
> src/hotspot/share/gc/shenandoah/shenandoahController.hpp line 105:
> 
>> 103:   void update_gc_id();
>> 104: };
>> 105: #endif //SHARE_GC_SHENANDOAH_SHENANDOAHCONTROLLER_HPP
> 
> Should have a space after `//`?

Aye, good catch.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20342#discussion_r1693274580