add piwik installation

www/analytics/core/Updates/0.4.1.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Updates;
+
+use Piwik\Common;
+use Piwik\Updater;
+use Piwik\Updates;
+
+/**
+ */
+class Updates_0_4_1 extends Updates
+{
+    static function getSql()
+    {
+        return array(
+            'ALTER TABLE `' . Common::prefixTable('log_conversion') . '`
+				CHANGE `idlink_va` `idlink_va` INT(11) DEFAULT NULL'                                                                     => false,
+            'ALTER TABLE `' . Common::prefixTable('log_conversion') . '`
+				CHANGE `idaction` `idaction` INT(11) DEFAULT NULL' => '1054',
+        );
+    }
+
+    static function update()
+    {
+        Updater::updateDatabase(__FILE__, self::getSql());
+    }
+}