style: fix indentation

lib/Proxy/AbstractProxy.php

@@ -56,7 +56,7 @@ abstract class AbstractProxy
 
         if (!str_starts_with($link, $conf->getKey('basepath') . '?') ||
             parse_url($link, PHP_URL_HOST) != parse_url($conf->getKey('basepath'), PHP_URL_HOST)
-           ) {
+        ) {
             $this->_error = 'Trying to shorten a URL that isn\'t pointing at our instance.';
             return;
         }