Update change log.

yfakariya · yfakariya · commit 8f05de72121c · 2018-06-12T23:26:07.000+09:00
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -751,3 +751,4 @@ Release 1.0.0
   BUG FIXES
   * [NonSerialized] attribute does not effect in Mono based platform including Unity.
   * Fix map keys order emitted by asymmetric (serialization only) serializer are inconsistent across platform.
+  * Fix Unity build does not honor serialization related attributes correctly.
