message: Fix print function mapping
diff: @@ -64,7 +64,7 @@ impl RTFunc {
  fn rt_impl(&self) -> *const u8 {
  match self {
  RTFunc::PrintInt => rt::print_int as *const u8,
  - RTFunc::PrintBool => rt::print_int as *const u8,
  + RTFunc::PrintBool => rt::print_bool as *const u8,
  RTFunc::PrintSep => rt::print_sep as *const u8,
  RTFunc::PrintEnd => rt::print_end as *const u8,
  }
  