upgrade zopfli to v1.0.2

gfx · gfx · commit c3bd66843526 · 2018-09-11T22:54:33.000+09:00
https://github.com/google/zopfli/releases/tag/zopfli-1.0.2
diff --git a/zopfli b/zopfli
@@ -1 +1 @@
-Subproject commit 64c6f362fefd56dccbf31906fdb3e31f6a6faf80
+Subproject commit ae43a8b73827577c4b19b005b6eed81f5cf9bbac
