On Tue, Nov 28, 2017 at 06:01:50PM +0100, Marius Bakke wrote:
> * gnu/packages/image.scm (optipng)[source](patches): New field.
> * gnu/packages/patches/optipng-CVE-2017-1000229.patch: New file.
> * gnu/local.mk (dist_patch_DATA): Register it.

LGTM, thanks!