MDL-45618 Fix @since PHPdoc tags.

blocks/navigation/block_navigation.php

@@ -18,7 +18,7 @@
  * This file contains classes used to manage the navigation structures in Moodle
  * and was introduced as part of the changes occuring in Moodle 2.0
  *
- * @since     2.0
+ * @since     Moodle 2.0
  * @package   block_navigation
  * @copyright 2009 Sam Hemelryk
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

blocks/navigation/db/upgrade.php

@@ -31,7 +31,7 @@
  * Please do not forget to use upgrade_set_timeout()
  * before any action that may take longer time to finish.
  *
- * @since 2.0
+ * @since Moodle 2.0
  * @package block_navigation
  * @copyright 2009 Sam Hemelryk
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

blocks/navigation/edit_form.php

@@ -17,7 +17,7 @@
 /**
  * Form for editing global navigation instances.
  *
- * @since     2.0
+ * @since     Moodle 2.0
  * @package   block_navigation
  * @copyright 2009 Sam Hemelryk
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

blocks/navigation/lang/en/block_navigation.php

@@ -18,7 +18,7 @@
 /**
  * This file contains language strings used in the global navigation block
  *
- * @since 2.0
+ * @since Moodle 2.0
  * @package block_navigation
  * @copyright 2009 Sam Hemelryk
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

blocks/navigation/renderer.php

@@ -17,7 +17,7 @@
 /**
  * Outputs the navigation tree.
  *
- * @since     2.0
+ * @since     Moodle 2.0
  * @package   block_navigation
  * @copyright 2009 Sam Hemelryk
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later