On Thu, Dec 29, 2016 at 07:26:16PM +0100, Marius Bakke wrote:
> Leo Famulari <leo@famulari.name> writes:
> 
> > * gnu/packages/patches/libpng-fix-null-ptr-dereference.patch: New file.
> > * gnu/local.mk (dist_patch_DATA): Add it.
> > * gnu/packages/image.scm (libpng)[replacement]: New field.
> > (libpng/fixed): New variable.
> 
> That was quick! Both patches LGTM.

I realized that since libpng-1.2 only has one user, it's not necessary
to graft the update. So I simply updated it to 1.2.57.

Thanks for the review!