git: openjdk/jdk: 8285947: Avoid redundant HashMap.containsKey calls in ZoneName

[Andrey Turbanov]

Changeset: dce860aa
Author:    Andrey Turbanov <aturbanov at openjdk.org>
Date:      2022-05-05 13:19:14 +0000
URL:       https://git.openjdk.java.net/jdk/commit/dce860aa8a6b11501e82ace4ff016ee49d8e1fa4

8285947: Avoid redundant HashMap.containsKey calls in ZoneName

Reviewed-by: scolebourne, naoto, rriggs

! src/java.base/share/classes/java/time/format/ZoneName.java.template