Zend_Validate_File: minor PHP 5.2.x compatibility fix.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@22690 44c647ce-9c0f-0410-b52a-842ac1e357ba

tests/Zend/Validate/File/IsImageTest.php

@@ -186,10 +186,10 @@ class Zend_Validate_File_IsImageTest extends PHPUnit_Framework_TestCase
         $validator = new Zend_Validate_File_IsImage(array(
             'image/gif',
             'image/jpg',
-            'magicfile' => __DIR__ . '/_files/magic.mime',
+            'magicfile' => dirname(__FILE__) . '/_files/magic.mime',
             'headerCheck' => true));
 
-        $this->assertEquals(__DIR__ . '/_files/magic.mime', $validator->getMagicFile());
+        $this->assertEquals(dirname(__FILE__) . '/_files/magic.mime', $validator->getMagicFile());
         $this->assertTrue($validator->getHeaderCheck());
         $this->assertEquals('image/gif,image/jpg', $validator->getMimeType());
     }