RFR: 8320131: Zero build fails on macOS after JDK-8254693

[David Holmes]

On Wed, 22 Nov 2023 02:06:29 GMT, Hao Sun <haosun at openjdk.org> wrote:

> The fix is trivial. We should include the standard C header `stdlib.h` [1], rather than non-standard one `malloc.h`.
> 
> [1] https://en.cppreference.com/w/c/memory/malloc

Looks good and trivial. Thanks for fixing.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16775#pullrequestreview-1743469194