Add category support to Seriously Simple Podcasting Plugin

ssp-podcast-category.php

<?php
/*
	Add categories support to the SSP plugin. Include this code in a blank customizations plugin for your site. If you already have a plugin, do not add the php opening tag in line one, only add code beginning at line 6.
*/

add_action( 'pre_get_posts', 'ssp_add_podcast_to_category_archives' );
function ssp_add_podcast_to_category_archives( $query ) {

	if ( is_admin() ) {
		return;
	}

	if ( $query->is_tax( 'category' ) || $query->is_category() ) {
		$query->set( 'post_type', array( 'post', 'podcast' ) );
	}
}

add_action( 'init', 'ssp_add_categories_to_podcast', 12 );
function ssp_add_categories_to_podcast() {
	register_taxonomy_for_object_type( 'category', 'podcast' );
}