Reorganize `Integer` system.

- Integrate `Fixnum` and `Integer`
- Remove `Integral`
- `int / int -> int`
- Replace `mrb_fixnum()` to `mrb_int()`
- Replace `mrb_fixnum_value()` to `mrb_int_value()`.
- Use `mrb_integer_p()` instead of `mrb_fixnum_p()`

1 files changed, 1 insertions, 1 deletions

diff --git a/src/class.c b/src/class.c
index 500e7f953..779a02da9 100644
--- a/src/class.c
+++ b/src/class.c
@@ -913,7 +913,7 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
 
         p = va_arg(ap, mrb_int*);
         if (i < argc) {
-          *p = mrb_fixnum(mrb_to_int(mrb, argv[i++]));
+          *p = mrb_integer(mrb_to_int(mrb, argv[i++]));
         }
       }
       break;