RFR: JDK-8286256 : Update libxml2 to 2.9.14 [v3]

Wed May 18 13:13:49 UTC 2022

On Wed, 18 May 2022 07:26:56 GMT, Hima Bindu Meda <hmeda at openjdk.org> wrote:

>> Updated libxml to version 2.9.14.As mentioned in UPDATING.txt, configured for windows , linux and Mac platforms and updated the files accordingly.
>> 
>> Updated libxslt to version 1.1.35. Generated the config.h files for windows , Mac and linux platforms and updated accordingly.
>> 
>> Verified the build on all the platforms and sanity testing looks fine.No regressions observed.
>
> Hima Bindu Meda has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update version inof related steps

@johanvos or @tiainen Can one of you be the second reviewer on this?

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PR: https://git.openjdk.java.net/jfx/pull/797