add cache override

update_feeds.php

@@ -3,6 +3,7 @@
 	// this script is probably run not from your httpd-user, so cache
 	// directory defined in config.php won't be accessible
 	define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-cli');
+	define('SIMPLEPIE_CACHE_DIR',	'/var/tmp/simplepie-ttrss-cache-cli');
 
 	define('DISABLE_SESSIONS', true);