[libc-commits] [libc] [libc] don't over include stdlib in the hdr declaring bsearch (PR #89471)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

(changed fixes tag to link tag), since those 3 other issues are more complex to resolve & might necessitate the changes to `LLVM_LIBC_FUNCTION` I'm testing in https://github.com/llvm/llvm-project/pull/89333#issuecomment-2067320296.

https://github.com/llvm/llvm-project/pull/89471