Merge branch 'PHP-8.5'

* PHP-8.5:
  Fix skipif for mkfifo usage in gh20582.phpt (#20804)

Author: NattyNarwhal

ext/standard/tests/image/gh20582.phpt

@@ -5,7 +5,9 @@ Nikita Sveshnikov (Positive Technologies)
 ndossche
 --SKIPIF--
 <?php
-if (PHP_OS_FAMILY === "Windows") die("skip Only for platforms with FIFO pipes");
+if (!function_exists("posix_mkfifo")) {
+    die("skip no posix_mkfifo()");
+}
 ?>
 --FILE--
 <?php