Revert "giflib: update to 6.1.2"

This reverts commit f36453d.

giflib 6.1.2 breaks building TexturePacker:
.../tools/depends/native/TexturePacker/src/decoder/GifHelper.cpp:58:17: error: too few arguments to function 'GifFileType* DGifOpen(void*, InputFunc, int*)'
   58 |   gif = DGifOpen(dataPtr, readFunc);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~

Author: HiassofT

packages/graphics/giflib/package.mk

@@ -1,10 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
-# Copyright (C) 2016-present Team LibreELEC (https://libreelec.tv)
 
 PKG_NAME="giflib"
-PKG_VERSION="6.1.2"
-PKG_SHA256="2421abb54f5906b14965d28a278fb49e1ec9fe5ebbc56244dd012383a973d5c0"
+PKG_VERSION="5.2.2"
+PKG_SHA256="be7ffbd057cadebe2aa144542fd90c6838c6a083b5e8a9048b8ee3b66b29d5fb"
 PKG_LICENSE="OSS"
 PKG_SITE="http://giflib.sourceforge.net/"
 PKG_URL="${SOURCEFORGE_SRC}/giflib/${PKG_NAME}-${PKG_VERSION}.tar.gz"

packages/graphics/giflib/patches/giflib-0001-do-not-install-shared-libraries.patch

@@ -0,0 +1,12 @@
+--- a/Makefile
++++ b/Makefile
+@@ -99,9 +99,6 @@
+ install-lib:
+ 	$(INSTALL) -d "$(DESTDIR)$(LIBDIR)"
+ 	$(INSTALL) -m 644 libgif.a "$(DESTDIR)$(LIBDIR)/libgif.a"
+-	$(INSTALL) -m 755 $(LIBGIFSO) "$(DESTDIR)$(LIBDIR)/$(LIBGIFSOVER)"
+-	ln -sf $(LIBGIFSOVER) "$(DESTDIR)$(LIBDIR)/$(LIBGIFSOMAJOR)"
+-	ln -sf $(LIBGIFSOMAJOR) "$(DESTDIR)$(LIBDIR)/$(LIBGIFSO)"
+ install-man:
+ 	$(INSTALL) -d "$(DESTDIR)$(MANDIR)/man1"
+ 	$(INSTALL) -m 644 $(MANUAL_PAGES) "$(DESTDIR)$(MANDIR)/man1"