Update CHANGELOG for PR #3778
Update CHANGELOG for PR #3778

ponylang/ponyc,dipinhora/ponyc,dipinhora/ponyc,sgebbie/ponyc,jemc/ponyc,dipinhora/ponyc,jemc/ponyc,sgebbie/ponyc,ponylang/ponyc,sgebbie/ponyc,sgebbie/ponyc,jemc/ponyc,sgebbie/ponyc,ponylang/ponyc