[compiler-rt] [scudo] Fix c wrappers double free test. (PR #148066)

[Michał Górny via llvm-commits]

mgorny wrote:

> I believe that this should fix your problem:
> 
> [#149944 (review)](https://github.com/llvm/llvm-project/pull/149944#pullrequestreview-3040248978)
> 
> If not, let us know.

Thanks! I can confirm that `main` passes now.

https://github.com/llvm/llvm-project/pull/148066