bigint.c (mpz_set_int): remove an unused local variable.
@@ -63,8 +63,6 @@ mpz_set_int(mrb_state *mrb, mpz_t *y, mrb_int v)
static void
mpz_init_set_int(mrb_state *mrb, mpz_t *y, mrb_int v)
{
- mp_limb u;
-
y->p = (mp_limb*)mrb_malloc(mrb, sizeof(mp_limb)*2);
y->sz = 2;
mpz_set_int(mrb, y, v);
