HelloRetryRequest updates for draft-19

Draft-19 changes the HRR transcript hash so that the initial ClientHello
is replaced in the transcript with a special synthetic message_hash message
that just contains a hash of ClientHello1 as its message body.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2895)

ssl/ssl_err.c

diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c
index c476b1e..f7ee171 100644
--- a/ssl/ssl_err.c
+++ b/ssl/ssl_err.c
@@ -23,6 +23,8 @@
     {ERR_FUNC(SSL_F_ADD_KEY_SHARE), "add_key_share"},
     {ERR_FUNC(SSL_F_BYTES_TO_CIPHER_LIST), "bytes_to_cipher_list"},
     {ERR_FUNC(SSL_F_CHECK_SUITEB_CIPHER_LIST), "check_suiteb_cipher_list"},
+    {ERR_FUNC(SSL_F_CREATE_SYNTHETIC_MESSAGE_HASH),
+     "create_synthetic_message_hash"},
     {ERR_FUNC(SSL_F_CT_MOVE_SCTS), "ct_move_scts"},
     {ERR_FUNC(SSL_F_CT_STRICT), "ct_strict"},
     {ERR_FUNC(SSL_F_D2I_SSL_SESSION), "d2i_SSL_SESSION"},
@@ -74,6 +76,7 @@
      "ossl_statem_server_read_transition"},
     {ERR_FUNC(SSL_F_PROCESS_KEY_SHARE_EXT), "process_key_share_ext"},
     {ERR_FUNC(SSL_F_READ_STATE_MACHINE), "read_state_machine"},
+    {ERR_FUNC(SSL_F_SET_CLIENT_CIPHERSUITE), "set_client_ciphersuite"},
     {ERR_FUNC(SSL_F_SSL3_CHANGE_CIPHER_STATE), "ssl3_change_cipher_state"},
     {ERR_FUNC(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM),
      "ssl3_check_cert_and_algorithm"},
@@ -481,6 +484,7 @@
     {ERR_REASON(SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE),
      "at least (D)TLS 1.2 needed in Suite B mode"},
     {ERR_REASON(SSL_R_BAD_CHANGE_CIPHER_SPEC), "bad change cipher spec"},
+    {ERR_REASON(SSL_R_BAD_CIPHER), "bad cipher"},
     {ERR_REASON(SSL_R_BAD_DATA), "bad data"},
     {ERR_REASON(SSL_R_BAD_DATA_RETURNED_BY_CALLBACK),
      "bad data returned by callback"},