Fixed prototype for native ecc_384_modp.

ecc-384.c

@@ -49,7 +49,7 @@
 #if HAVE_NATIVE_ecc_384_modp
 #define ecc_384_modp nettle_ecc_384_modp
 void
-ecc_384_modp (const struct ecc_curve *ecc, mp_limb_t *rp);
+ecc_384_modp (const struct ecc_modulo *m, mp_limb_t *rp);
 #elif GMP_NUMB_BITS == 32
 
 /* Use that 2^{384} = 2^{128} + 2^{96} - 2^{32} + 1, and eliminate 256