untrusted comment: verify with /etc/ports/opt-arm64.pub
RWRitF9a2DJqMcURMigUWrT/skNYCEuk8VRn3DZr57zKy0uon6/+M6Nla6WjXZbM5kxXcOPMVlEaSqJm0464bBzynORzLexzQwY=
SHA256 (Pkgfile) = 306f86082ac0180f5ad9d19d4d0cbeea637348d240444024b69151c475b8b30a
SHA256 (.footprint) = afac733e25683f986c603dd0f599668ca21197c1a92421c50b535e8f560d1a11
SHA256 (libpng-1.6.36.tar.xz) = eceb924c1fa6b79172fdfd008d335f0e59172a86a66481e09d4089df872aa319
SHA256 (libpng-apng.patch) = 2234b5138069824e30e84357a36bd725c2cb3fd589d5c2135ecbe60b0b4800d8