fix type cast.
@@ -1740,7 +1740,7 @@ _verify_nettle_ed25519(sldns_buffer* buf, unsigned char* sigblock,
}
res = ed25519_sha512_verify((uint8_t*)key, sldns_buffer_limit(buf),
- sldns_buffer_begin(buf), sigblock);
+ sldns_buffer_begin(buf), (uint8_t*)sigblock);
if (!res)
return "ED25519 signature verification failed";
