RFR: 8308071: [REDO] update for deprecated sprintf for src/utils [v3]

[Xue-Lei Andrew Fan]

On Thu, 18 May 2023 15:46:46 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Updated to use `int` to replace `size_t.`. Thank you for the catching.
>
> bufsize is size_t, so that's a comparison between signed and unsigned values, which I think some compilers
> will warn about.  Maybe the preceding check for negative is getting rid of that?  But will that still occur in
> a slowdebug build, or will the lack of optimization lead to a warning?

As always, this comment helps a lot.  Thank you!

Updated to cast `int` to `size_t` explicitly.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13995#discussion_r1198111051