Description:
------------
include does not follow symlinks starting with ..

Reproduce code:
---------------
[pterjan@dhcp122 php-test]$ pwd
/tmp/php-test
[pterjan@dhcp122 php-test]$ ll
total 4
drwxr-xr-x  2 pterjan pterjan 4096 jan 14 14:31 a/
lrwxrwxrwx  1 pterjan pterjan    1 jan 14 14:31 b -> a/
lrwxrwxrwx  1 pterjan pterjan   15 jan 14 14:31 c -> /tmp/php-test/a/
lrwxrwxrwx  1 pterjan pterjan   13 jan 14 14:31 d -> ../php-test/a/
lrwxrwxrwx  1 pterjan pterjan    3 jan 14 14:35 e -> ./a/
lrwxrwxrwx  1 pterjan pterjan    6 jan 14 14:48 f -> a/../a/

[pterjan@dhcp122 php-test]$ ll */foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 a/foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 b/foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 c/foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 d/foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 e/foo.php
-rw-r--r--  1 pterjan pterjan 0 jan 14 14:31 f/foo.php

[pterjan@dhcp122 php-test]$ php -r 'include("a/foo.php");'
[pterjan@dhcp122 php-test]$ php -r 'include("b/foo.php");'
[pterjan@dhcp122 php-test]$ php -r 'include("c/foo.php");'
[pterjan@dhcp122 php-test]$ php -r 'include("d/foo.php");'

Warning: Unknown(d/foo.php): failed to open stream: No such file or
directory in Command line code on line 1

Warning: (null)(): Failed opening 'd/foo.php' for inclusion
(include_path='.:/usr/lib/php/:/usr/share/pear/') in Command line code
on line 1
[pterjan@dhcp122 php-test]$ php -r 'include("e/foo.php");'
[pterjan@dhcp122 php-test]$ php -r 'include("f/foo.php");'