- fixed typo in renaming old cert files

server/plugins-available/apache2_plugin.inc.php

@@ -1259,7 +1259,7 @@ class apache2_plugin {
 				$date = date("YmdHis");
 				//* TODO: check if is a symlink, if target same keep it, either remove it
 				if(is_file($key_file)) {
-					$app->system->copy($key_file, $key_file.'.old'.$date);
+					$app->system->copy($key_file, $key_file.'.old.'.$date);
 					$app->system->chmod($key_file.'.old.'.$date, 0400);
 					$app->system->unlink($key_file);
 				}

server/plugins-available/nginx_plugin.inc.php

@@ -1336,7 +1336,7 @@ class nginx_plugin {
 				$date = date("YmdHis");
 				//* TODO: check if is a symlink, if target same keep it, either remove it
 				if(is_file($key_file)) {
-					$app->system->copy($key_file, $key_file.'.old'.$date);
+					$app->system->copy($key_file, $key_file.'.old.'.$date);
 					$app->system->chmod($key_file.'.old.'.$date, 0400);
 					$app->system->unlink($key_file);
 				}