fix unbox functions for machine word constructors
fix unbox functions for machine word constructors

doublec/ponyc,doublec/ponyc,Perelandric/ponyc,Theodus/ponyc,malthe/ponyc,Perelandric/ponyc,darach/ponyc,malthe/ponyc,Perelandric/ponyc,malthe/ponyc,Praetonus/ponyc,Praetonus/ponyc,ponylang/ponyc,sgebbie/ponyc,sgebbie/ponyc,doublec/ponyc,jupvfranco/ponyc,Praetonus/ponyc,mkfifo/ponyc,kulibali/ponyc,CausalityLtd/ponyc,jonas-l/ponyc,cquinn/ponyc,jupvfranco/ponyc,cquinn/ponyc,ryanai3/ponyc,dipinhora/ponyc,CausalityLtd/ponyc,Theodus/ponyc,Theodus/ponyc,cquinn/ponyc,cquinn/ponyc,boemmels/ponyc,jemc/ponyc,Perelandric/ponyc,jupvfranco/ponyc,Theodus/ponyc,boemmels/ponyc,lukecheeseman/ponyta,mkfifo/ponyc,dipinhora/ponyc,darach/ponyc,malthe/ponyc,sgebbie/ponyc,mkfifo/ponyc,lukecheeseman/ponyta,sgebbie/ponyc,jemc/ponyc,jonas-l/ponyc,darach/ponyc,boemmels/ponyc,Perelandric/ponyc,boemmels/ponyc,kulibali/ponyc,jupvfranco/ponyc,dipinhora/ponyc,boemmels/ponyc,Praetonus/ponyc,ponylang/ponyc,lukecheeseman/ponyta,ryanai3/ponyc,ryanai3/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,ponylang/ponyc,mkfifo/ponyc,kulibali/ponyc,mkfifo/ponyc,jupvfranco/ponyc,kulibali/ponyc,Theodus/ponyc,jemc/ponyc,jonas-l/ponyc