RFR: 8297683: Use enhanced-for cycle instead of Enumeration in java.security.jgss

[Weijun Wang]

On Sun, 27 Nov 2022 13:21:25 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> java.util.Enumeration is a legacy interface from java 1.0.
> There are a few places with cycles which use it to iterate over collections. We can replace this manual cycle with enchanced-for, which is shorter and easier to read.
> 
> sun.security.jgss.ProviderList#addAllMechsFromProvider
> sun.security.jgss.GSSCredentialImpl#dispose
> sun.security.jgss.GSSCredentialImpl#getRemainingLifetime
> sun.security.jgss.GSSCredentialImpl#getUsage()
> sun.security.jgss.GSSCredentialImpl#getElements

LGTM. Thanks.

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Marked as reviewed by weijun (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11377