RFR: 8338160: Fix -Wzero-as-null-pointer-constant warnings in management.cpp

[David Holmes]

On Mon, 12 Aug 2024 07:30:35 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> Please review this trivial change to remove some
> -Wzero-as-null-pointer-constant warnings in management.cpp.  Uses of THROW_
> and THROW_MSG_ in a pointer context with a literal 0 value argument are
> changed to use the corresponding _NULL suffixed macro without the value
> argument.
> 
> Testing: mach5 tier1

Looks good and trivial.

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20541#pullrequestreview-2232696174