git: openjdk/jdk-sandbox: json: correct logic in fractions case for JN.toNumber()

[duke]

Changeset: 67a7372e
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-03-19 13:38:19 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/67a7372e5a7f7abadf0f3e71d47200141f80baf9

correct logic in fractions case for JN.toNumber()

! src/java.base/share/classes/java/util/json/JsonNumberImpl.java