fix mask width errors in generated cpp (as discovered by examples/simple)
fix mask width errors in generated cpp (as discovered by examples/simple)

8l/connectal,chenm001/connectal,hanw/connectal,cambridgehackers/connectal,chenm001/connectal,csail-csg/connectal,8l/connectal,hanw/connectal,8l/connectal,chenm001/connectal,hanw/connectal,cambridgehackers/connectal,chenm001/connectal,hanw/connectal,chenm001/connectal,8l/connectal,cambridgehackers/connectal,cambridgehackers/connectal,hanw/connectal,csail-csg/connectal,csail-csg/connectal,csail-csg/connectal,cambridgehackers/connectal,csail-csg/connectal,8l/connectal