Use get_types or get_shortcuts depended of version of Moodle

lib.php

@@ -865,7 +865,7 @@ function game_extend_settings_navigation($settings, $gamenode) {
 
 /* Returns an array of game type objects to construct
    menu list when adding new game  */
-require_once($CFG->dirroot.'/version.php');
+require($CFG->dirroot.'/version.php');
 if ($branch >= '31') {
     define('USE_GET_SHORTCUTS', '1');
 }

version.php

@@ -36,7 +36,7 @@ if (!isset( $plugin)) {
 }
 
 $plugin->component = 'mod_game';  // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2016042601;  // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2016042602;  // The current module version (Date: YYYYMMDDXX).
 $plugin->requires  = 2010112400;  // Requires Moodle 2.0.
 $plugin->cron      = 0;           // Period for cron to check this module (secs).
 $plugin->release   = '2016-04-26';