[Lldb-commits] [lldb] [lldb] Add a missing <atomic> include. NFC. (PR #162809)

[David Spickett via lldb-commits]

https://github.com/DavidSpickett approved this pull request.

On the "include what you use" basis, this LGTM.

https://github.com/llvm/llvm-project/pull/162809