Fix code style

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 6dd7cb0..7385c6e 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1468,14 +1468,14 @@
  */
 MBEDTLS_CHECK_RETURN_CRITICAL
 int mbedtls_ssl_add_hs_msg_to_checksum(mbedtls_ssl_context *ssl,
-                                        unsigned hs_type,
-                                        unsigned char const *msg,
-                                        size_t msg_len);
+                                       unsigned hs_type,
+                                       unsigned char const *msg,
+                                       size_t msg_len);
 
 MBEDTLS_CHECK_RETURN_CRITICAL
 int mbedtls_ssl_add_hs_hdr_to_checksum(mbedtls_ssl_context *ssl,
-                                        unsigned hs_type,
-                                        size_t total_hs_len);
+                                       unsigned hs_type,
+                                       size_t total_hs_len);
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 #if !defined(MBEDTLS_USE_PSA_CRYPTO)