RFR: 8328999: Update GIFlib to 5.2.2

[Alisen Chung]

On Tue, 30 Apr 2024 21:33:41 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> does this also apply for the other JDK modification for old compilers as well?
>
> Regarding the `JDK modifications to support building using old compilers` from `gif_lib.h`:
> 
> I found my old [review request](https://mail.openjdk.org/pipermail/awt-dev/2015-April/009269.html), that mentioned [why](https://stackoverflow.com/questions/8548521/trying-to-use-include-stdbool-h-in-vs-2010/8549206) these changes were added (because of the issue with VS 2010).
> 
> However, this issue [should be fixed as of VS 2013](
> https://devblogs.microsoft.com/cppblog/c99-library-support-in-visual-studio-2013/).
> 
> So you should probably check the build without these changes, and if it works fine, remove them.
> 
> The only concern is if some of the JDKs we are going to backport this upgrade use VS below 2013 (I am not sure if we have any), but I think we can bring our fix back to the specific backport.

The current version doesn't have these changes and clientlibs tests are green

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PR Review Comment: https://git.openjdk.org/jdk/pull/18985#discussion_r1586647585