RFR: JDK-8286256 : Update libxml2 to 2.9.14 [v2]

[Hima Bindu Meda]

On Tue, 17 May 2022 17:19:00 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Hima Bindu Meda has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add UPDATING.txt for libxslt update
>
> modules/javafx.web/src/main/native/Source/ThirdParty/libxml/src/valid.c line 30:
> 
>> 28: 
>> 29: static xmlElementPtr xmlGetDtdElementDesc2(xmlDtdPtr dtd, const xmlChar *name,
>> 30:                                    int create);
> 
> This file has many whitespace-only changes (more than 2,800 lines). There is only one actual diff for this file. Can you double check the tab conversion?

These changes are due to the indentation corrections. Now, the formatting looks fine.
Tab conversion looks fine for all the code blocks like if, switch and functions.

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