mruby-rational/rational.c: remove unused prototype [ci skip]
@@ -673,8 +673,6 @@ rational_div(mrb_state *mrb, mrb_value x)
return mrb_rational_div(mrb, x, y);
}
-mrb_int mrb_div_int(mrb_state *, mrb_int, mrb_int);
-
void mrb_mruby_rational_gem_init(mrb_state *mrb)
{
struct RClass *rat;
