Improve coding styles

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index f385f5d..6b545a6 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1428,7 +1428,7 @@
 
 #if defined(MBEDTLS_SSL_EARLY_DATA)
 void mbedtls_ssl_tls13_conf_early_data( mbedtls_ssl_config *conf,
-                                  int early_data_enabled )
+                                        int early_data_enabled )
 {
     conf->early_data_enabled = early_data_enabled;
 }