add changelog, bump to v0.12.2

Dane Springmeyer · Dane Springmeyer · commit 4ee76d2db869 · 2017-02-08T19:10:13.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,6 @@
+## Earcut.hpp changelog
+
+### v0.12.2
+
+ - Fixed potential division by zero
+ - Fixed -fsanitize=integer warning
