Turn dropbear_ecc_curve's name into const char *

ecc.h

@@ -12,7 +12,7 @@ struct dropbear_ecc_curve {
 	int ltc_size; /* to match the byte sizes in ltc_ecc_sets[] */
 	const ltc_ecc_set_type *dp; /* curve domain parameters */
 	const struct ltc_hash_descriptor *hash_desc;
-	const unsigned char *name;
+	const char *name;
 };
 
 extern struct dropbear_ecc_curve ecc_curve_nistp256;

ecdsa.c

@@ -145,7 +145,7 @@ void buf_put_ecdsa_pub_key(buffer *buf, ecc_key *key) {
 	curve = curve_for_dp(key->dp);
 	snprintf(key_ident, sizeof(key_ident), "ecdsa-sha2-%s", curve->name);
 	buf_putstring(buf, (const unsigned char *) key_ident, strlen(key_ident));
-	buf_putstring(buf, curve->name, strlen(curve->name));
+	buf_putstring(buf, (const unsigned char *) curve->name, strlen(curve->name));
 	buf_put_ecc_raw_pubkey_string(buf, key);
 }