Merge pull request #8798 from ja-pa/libpng-security-update
authorRosen Penev <rosenp@gmail.com>
Sun, 28 Apr 2019 20:54:40 +0000 (13:54 -0700)
committerGitHub <noreply@github.com>
Sun, 28 Apr 2019 20:54:40 +0000 (13:54 -0700)
libpng: update to version 1.6.37


Trivial merge