[5.4] cs fixes

Author: nicolas-grekas

ErrorRenderer/HtmlErrorRenderer.php

@@ -262,8 +262,6 @@ private function formatFile(string $file, int $line, string $text = null): strin
      * @param string $file       A file path
      * @param int    $line       The selected line number
      * @param int    $srcContext The number of displayed lines around or -1 for the whole file
-     *
-     * @return string
      */
     private function fileExcerpt(string $file, int $line, int $srcContext = 3): string
     {

Resources/bin/extract-tentative-return-types.php

@@ -40,7 +40,7 @@ class TentativeTypes
 
 EOPHP;
 
-while (false !== $file = fgets(STDIN)) {
+while (false !== $file = fgets(\STDIN)) {
     $code = file_get_contents(substr($file, 0, -1));
 
     if (!str_contains($code, '@tentative-return-type')) {