Move state change from WRITE_CLIENT_HELLO to its main handler

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 0af8ce7..c76d5d3 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -798,12 +798,6 @@
     return( 0 );
 }
 
-static int ssl_tls13_finalize_client_hello( mbedtls_ssl_context *ssl )
-{
-    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
-    return( 0 );
-}
-
 static int ssl_tls13_prepare_client_hello( mbedtls_ssl_context *ssl )
 {
     int ret;
@@ -870,11 +864,12 @@
                                               msg_len );
     ssl->handshake->update_checksum( ssl, buf, msg_len );
 
-    MBEDTLS_SSL_PROC_CHK( ssl_tls13_finalize_client_hello( ssl ) );
     MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_finish_handshake_msg( ssl,
                                                                   buf_len,
                                                                   msg_len ) );
 
+    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
+
 cleanup:
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client hello" ) );