Move skipif out of skipif.inc

This skip condition does not apply to all stream tests

Author: nikic

ext/standard/tests/streams/proc_open_bug51800.phpt

@@ -2,11 +2,13 @@
 Bug #51800 proc_open on Windows hangs forever
 --SKIPIF--
 <?php
-    echo 'skip expected to fail or take too long';
-    if (getenv("SKIP_SLOW_TESTS")) {
-        die("skip slow test");
-    }
-    require_once __DIR__ . 'skipif.inc';
+echo 'skip expected to fail or take too long';
+if (getenv("SKIP_SLOW_TESTS")) {
+    die("skip slow test");
+}
+if (strpos(PHP_OS, 'FreeBSD') !== false) {
+    die("skip for FreeBSD");
+}
 ?>
 --XFAIL--
 pipes have to be read/written simultaneously

ext/standard/tests/streams/proc_open_bug51800_right.phpt

@@ -1,7 +1,11 @@
 --TEST--
 Bug #51800 proc_open on Windows hangs forever, the right way to do it
 --SKIPIF--
-<?php include 'skipif.inc'; ?>
+<?php
+if (strpos(PHP_OS, 'FreeBSD') !== false) {
+    die("skip for FreeBSD");
+}
+?>
 --FILE--
 <?php
 $callee = __DIR__ . "/process_proc_open_bug51800_right.php";