git: openjdk/jdk: 8287924: Avoid redundant HashMap.containsKey call in EnvHelp.mapToHashtable

[Andrey Turbanov]

Changeset: 900d967d
Author:    Andrey Turbanov <aturbanov at openjdk.org>
Date:      2022-06-09 20:29:16 +0000
URL:       https://git.openjdk.org/jdk/commit/900d967da52afca9b239d8a58aa81b48b9fe0a78

8287924: Avoid redundant HashMap.containsKey call in EnvHelp.mapToHashtable

Reviewed-by: sspitsyn, cjplummer

! src/java.management/share/classes/com/sun/jmx/remote/util/EnvHelp.java