fix various issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index fc3ecc8..3c7700b 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -5625,7 +5625,6 @@
 void mbedtls_ssl_write_version( int major, int minor, int transport,
                         unsigned char ver[2] )
 {
-
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     if( transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
     {
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 1929d8b..d91f231 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -5478,12 +5478,10 @@
 #endif /* MBEDTLS_ECDH_C && MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
-    mbedtls_ssl_transform_free(handshake->transform_handshake);
-    mbedtls_ssl_transform_free(handshake->transform_earlydata);
+    mbedtls_ssl_transform_free( handshake->transform_handshake );
+    mbedtls_ssl_transform_free( handshake->transform_earlydata );
     mbedtls_free( handshake->transform_earlydata );
     mbedtls_free( handshake->transform_handshake );
-    handshake->transform_earlydata = NULL;
-    handshake->transform_handshake = NULL;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */