Description:
------------
include/require (_once) return wrong error messages when used inside a static method. the function name as well as the manual link are prefixed by the classname.

Reproduce code:
---------------
<?php

error_reporting(E_ALL|E_STRICT);

class test
{
	public static function inc()
	{
		require_once('i_do_not_exists.php');
	}
}

test::inc();

?>

Actual result:
--------------
Warning: test::require_once(i_do_not_exists.php) [function.test-require-once]: failed to open stream: No such file or directory

Fatal error: test::require_once() [function.require]: Failed opening required 'i_do_not_exists.php' (include_path='.;C:\php5\pear')