Sample code with your fix.

gistfile1.txt

<?php
global $oswcPostTypes;

//this is the folder that houses the function files to include
define('functions', TEMPLATEPATH . '/functions');

function fixObject (&$object)
{
    if (!is_object ($object) && gettype ($object) == 'object')
        return ($object = unserialize (serialize ($object)));
    return $object;
}

$lang = TEMPLATEPATH . '/lang';
load_theme_textdomain('swagger', $lang);

//Get the post type functions
require_once(functions . '/oswc-post-types.php');

//Get the theme options
require_once(functions . '/theme-options.php');

//Get the review options
require_once(functions . '/review-options.php');

//Get the widgets
require_once(functions . '/widgets.php');

//Get the custom functions
require_once(functions . '/custom.php');

//Get the shortcodes
require_once(functions . '/shortcodes.php');

//Get the post type functions
require_once(functions . '/post-types.php');

//Get the post & page meta boxes
require_once(functions . '/meta-boxes.php');

//notifies users of updates
require('update-notifier.php');
<?php
 
add_action( 'parse_query', 'tribe_fix_tag_query' );
function tribe_fix_tag_query( $query ) {
	if ( $query->is_tag && (array) $query->get( 'post_type' ) != array( TribeEvents::POSTTYPE ) ) {
		if ( empty( $query->query_vars['post_type'] ) ) {
			$query->query_vars['post_type'] = array( 'post' );
		}
		if ( ! ( $query->query_vars['post_type'] == array( 'post' ) || $query->query_vars == 'post' ) ) {
			remove_action( 'parse_query', array( 'TribeEventsQuery', 'parse_query' ), 50 );
			remove_action( 'pre_get_posts', array( 'TribeEventsQuery', 'pre_get_posts' ), 50 );
		}
	}
}


?>