Fixed scratch allocation in test_ecc_mul_h.

ChangeLog

 2014-09-23  Niels Möller  <nisse@lysator.liu.se>
 
+	* testsuite/testutils.c (test_ecc_mul_h): Use ecc->h_to_a_itch.
+
 	* ecc-mod-inv.c (ecc_mod_inv): Interface change, make ap input
 	const, and require 2n limbs at rp. Preparing for powm-based
 	alternative implementations. Drop #if:ed out code and dp

testsuite/testutils.c

@@ -1436,7 +1436,7 @@ test_ecc_mul_h (unsigned curve, unsigned n, const mp_limb_t *p)
 {
   const struct ecc_curve *ecc = ecc_curves[curve];
   mp_limb_t *np = xalloc_limbs (ecc_size_a (ecc));
-  mp_limb_t *scratch = xalloc_limbs (ecc_j_to_a_itch(ecc));
+  mp_limb_t *scratch = xalloc_limbs (ecc->h_to_a_itch);
   ecc->h_to_a (ecc, 0, np, p, scratch);
 
   test_ecc_mul_a (curve, n, np);