Fix test failure issue and update code styles

Change-Id: I0b08da1b083abdb19dc383e6f4b210f66659c109
Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index f079e68..025732e 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -582,12 +582,12 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_SSL_CLI_C)
-    /*!<  Number of Hello Retry Request messages received from the server.  */
+    /** Number of Hello Retry Request messages received from the server.  */
     int hello_retry_request_count;
 #endif /* MBEDTLS_SSL_CLI_C */
 
 #if defined(MBEDTLS_SSL_SRV_C)
-    /*!< selected_group of key_share extension in HelloRetryRequest message. */
+    /** selected_group of key_share extension in HelloRetryRequest message. */
     uint16_t hrr_selected_group;
 #endif /* MBEDTLS_SSL_SRV_C */