Rename the finalize_client{server}_hello()

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 29a60ec..ef05dca 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2741,7 +2741,7 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */
 
 #if defined(MBEDTLS_SSL_CLI_C) && defined(MBEDTLS_SSL_PROTO_TLS1_3)
-int mbedtls_ssl_tls13_finalize_write_client_hello(mbedtls_ssl_context *ssl);
+int mbedtls_ssl_tls13_finalize_client_hello(mbedtls_ssl_context *ssl);
 #endif
 
 #endif /* ssl_misc.h */