o Add WITHOUT_IPV6 knob (Requested by Jens Rehsack <rehsack@liwing.de>
in ports/53754, implemented in a slightly different way).
o Add GIF and animated GIF write support by default in GD and add
WITH_LZW knob to enable the LZW compression algorithm (patented
in some countries).
o Removed gd_gif_out.diff patch and added many new patches.
PR: ports/53754, ports/53879
Requested by: Jens Rehsack <rehsack@liwing.de>
Submitted by: Alex Dupre <sysadmin@alexdupre.com> (maintainer)
