Add missing changelog entry for #2257
Add missing changelog entry for #2257

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jemc/ponyc,cquinn/ponyc,ponylang/ponyc,Praetonus/ponyc,sgebbie/ponyc,cquinn/ponyc,cquinn/ponyc,Theodus/ponyc,kulibali/ponyc,Theodus/ponyc,Theodus/ponyc,boemmels/ponyc,dipinhora/ponyc,CausalityLtd/ponyc,sgebbie/ponyc,cquinn/ponyc,jemc/ponyc,Praetonus/ponyc,sgebbie/ponyc,jemc/ponyc,CausalityLtd/ponyc,ponylang/ponyc,dipinhora/ponyc,boemmels/ponyc,CausalityLtd/ponyc,sgebbie/ponyc,Theodus/ponyc,boemmels/ponyc,kulibali/ponyc,Praetonus/ponyc,kulibali/ponyc,kulibali/ponyc,sgebbie/ponyc,ponylang/ponyc,dipinhora/ponyc,boemmels/ponyc,boemmels/ponyc,Theodus/ponyc,Praetonus/ponyc