fixed CS

Author: fabpot

Command/AssetsInstallCommand.php

@@ -138,7 +138,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         /** @var BundleInterface $bundle */
         foreach ($kernel->getBundles() as $bundle) {
             if (!method_exists($bundle, 'getPublicDir')) {
-                @trigger_error(sprintf('Not defining "getPublicDir()" method in the "%s" class is deprecated since Symfony 4.4 and will not be supported in 5.0.', get_class($bundle)), E_USER_DEPRECATED);
+                @trigger_error(sprintf('Not defining "getPublicDir()" method in the "%s" class is deprecated since Symfony 4.4 and will not be supported in 5.0.', \get_class($bundle)), E_USER_DEPRECATED);
                 $publicDir = 'Resources/public';
             } else {
                 $publicDir = ltrim($bundle->getPublicDir(), '\\/');