RFR: 8303539: javadoc typos in Attr

[Vicente Romero]

On Fri, 3 Mar 2023 04:11:56 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> Very minimal fix changing only the javadoc of method: `Attr.ResultInfo::needsArgumentAttr`, the fix is basically doing:
> 
> 
> {@ArgumentAttr} -> {@code ArgumentAttr}
> 
> TIA

thanks for the review

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PR: https://git.openjdk.org/jdk/pull/12846