[clang] [CIR][OpenMP] Fix test broken by #218453 for preserving host capture lifetimes (PR #232840)

[Erich Keane via cfe-commits]

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

Urgh, i waited AGES to see if someone else would fix this, then submitted #232836 about 12 minutes before this :D 

BUT you have a better commit message so I'll abandon mine, and you should just merge this.

https://github.com/llvm/llvm-project/pull/232840