[libcxx-commits] [libcxx] [libc++][NFC] Fixed formatting in Release Notes (PR #173526)

[Hristo Hristov via libcxx-commits]

H-G-Hristov wrote:

> Thanks! Although I believe P2321R2 is effectively completed and we can set the feature-test macro now.
> 
> (If there's any change about integer-class needed to be done, it should be tracked in #105171 ([P2393R1](https://wg21.link/P2393R1)).)

That seems reasonable. Let's ask @ldionne @huixie90 Can we mark [#105169](https://github.com/llvm/llvm-project/issues/105169) as complete now?

https://github.com/llvm/llvm-project/pull/173526