git: openjdk/jdk: 8328999: Update GIFlib to 5.2.2

[Alisen Chung]

Changeset: 6969a9e0
Author:    Alisen Chung <achung at openjdk.org>
Date:      2024-05-02 15:36:10 +0000
URL:       https://git.openjdk.org/jdk/commit/6969a9e0b2143eee5a7cfa02460a8ab6dfa08cda

8328999: Update GIFlib to 5.2.2

Reviewed-by: tr, dnguyen, prr

! src/java.desktop/share/legal/giflib.md
! src/java.desktop/share/native/libsplashscreen/giflib/dgif_lib.c
! src/java.desktop/share/native/libsplashscreen/giflib/gif_err.c
! src/java.desktop/share/native/libsplashscreen/giflib/gif_hash.h
! src/java.desktop/share/native/libsplashscreen/giflib/gif_lib.h
! src/java.desktop/share/native/libsplashscreen/giflib/gif_lib_private.h
! src/java.desktop/share/native/libsplashscreen/giflib/gifalloc.c
! src/java.desktop/share/native/libsplashscreen/giflib/openbsd-reallocarray.c