RFR: 8257858: [macOS]: Remove JNF dependency from libosxsecurity/KeystoreImpl.m [v7]

[Erik Joelsson]

On Mon, 1 Feb 2021 16:51:12 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> This fix covers both
>> 
>> - [[macOS]: Remove JNF dependency from libosxsecurity/KeystoreImpl.m](https://bugs.openjdk.java.net/browse/JDK-8257858)
>> - [[macOS]: Remove JNF dependency from libosxkrb5/SCDynamicStoreConfig.m](https://bugs.openjdk.java.net/browse/JDK-8257860)
>
> Weijun Wang has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - file attr error
>  - objc use .m

Build changes look good. Thanks for fixing the .m support in TestFilesCompilation.gmk!

-------------

Marked as reviewed by erikj (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1845