Fix `mrb_obj_id` to `Float`
MODIFY
src/etc.c
src/etc.c
@@ -123,7 +123,7 @@ mrb_obj_id(mrb_value obj)
return MakeID(mrb_symbol(obj));
case MRB_TT_INTEGER:
return MakeID(mrb_int_id(mrb_integer(obj)));
-#ifdef MRB_NO_FLOAT
+#ifndef MRB_NO_FLOAT
case MRB_TT_FLOAT:
return MakeID(mrb_float_id(mrb_float(obj)));
#endif

Fix `mrb_obj_id` to `Float`