[libpng16] Enabled WRITE_INVERT and WRITE_PACK in contrib/pngminim/encoder.
diff --git a/CHANGES b/CHANGES
index 5f60306..e4b5e7a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4724,6 +4724,7 @@
     complex dependencies in scripts/pnglibconf.dfa. This change adds
     contrib/conftest/*.dfa files that can be used in automatic build
     scripts to ensure that these configurations continue to build.
+  Enabled WRITE_INVERT and WRITE_PACK in contrib/pngminim/encoder.
 
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