Make socket path shorter for ext/sockets/tests/socket_cmsg_{rights|credentials}.phpt

When running in CI it fails when path/address is longer 108

Author: andypost

ext/sockets/tests/socket_cmsg_credentials.phpt

@@ -14,10 +14,14 @@ die('skip not for AIX');
 if (!defined('SO_PASSCRED')) {
 die('skip SO_PASSCRED is not defined');
 }
+--CLEAN--
+<?php
+$path = "./socket_cmsg_credentials.sock";
+@unlink($path);
 --FILE--
 <?php
 include __DIR__."/mcast_helpers.php.inc";
-$path = __DIR__ . "/socket_cmsg_credentials.sock";
+$path = "./socket_cmsg_credentials.sock";
 
 @unlink($path);
 
@@ -53,10 +57,6 @@ print_r($data);
 $pid = getmypid();
 var_dump($data['control'][0]['data']['pid'] === $pid);
 ?>
---CLEAN--
-<?php
-$path = __DIR__ . "/socket_cmsg_credentials.sock";
-@unlink($path);
 --EXPECTF--
 creating send socket
 object(Socket)#%d (0) {

ext/sockets/tests/socket_cmsg_rights.phpt

@@ -13,12 +13,12 @@ die('skip not for AIX');
 }
 --CLEAN--
 <?php
-$path = __DIR__ . "/socket_cmsg_rights.sock";
+$path = "./socket_cmsg_rights.sock";
 @unlink($path);
 --FILE--
 <?php
 include __DIR__."/mcast_helpers.php.inc";
-$path = __DIR__ . "/socket_cmsg_rights.sock";
+$path = "./socket_cmsg_rights.sock";
 
 @unlink($path);