libpng: update to 1.6.31
authorHenrik Grimler <Henrik@Grimler.se>
Mon, 31 Jul 2017 21:32:53 +0000 (23:32 +0200)
committerFredrik Fornwall <fredrik@fornwall.net>
Tue, 1 Aug 2017 20:58:20 +0000 (22:58 +0200)
commit11681c591005fd4264f28c80130b51249e713a3b
tree303cea034b3daa1eb4ccbae388b4015202c1807f
parenta64a2ee6e609d5e72bf63dedf0df5516b00de85f
libpng: update to 1.6.31

1.6.29 are no longer available at the same sourceforge url.
packages/libpng/build.sh