[llvm] [llvm/IR] Fix module build issue following e57308b063bb (NFC) (PR #94580)

[Nikita Popov via llvm-commits]

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

LGTM, thanks!

I think technically that header only needs a forward declare, but anything actually using IRBuilderFolder.h would need the include anyway, so this is fine.

https://github.com/llvm/llvm-project/pull/94580