minor fix

@@ -408,7 +408,8 @@ folder_get_url (folder_t folder, url_t *purl)
   return 0;
 }
 
-static int is_known_folder (url_t url, folder_t *pfolder)
+static int
+is_known_folder (url_t url, folder_t *pfolder)
 {
   int ret = 0;
   folder_t folder = NULL;

@@ -483,7 +483,7 @@ mu_mailcap_parse_entry (mu_mailcap_entry_t entry, char *buffer)
 	  entry->viewcommand = strdup (stripwhite(token));
 	  break;
 
-	  /* The rest are the optionnal fields.  */
+	  /* The rest are the optional fields.  */
 	default:
 	  {
 	    char **fields = realloc (entry->fields,