Fixed issue where testing for remote public key in noise_handshakestate_needs_remote_public_key was incorrectly testing for a keypair.
Fixed issue where testing for remote public key in noise_handshakestate_needs_remote_public_key was incorrectly testing for a keypair.

rweather/noise-c,rweather/noise-c,rweather/noise-c,rweather/noise-c