api: fix catchupFeed

api/index.php

@@ -392,7 +392,7 @@
 			$feed_id = db_escape_string($_REQUEST["feed_id"]);
 			$is_cat = db_escape_string($_REQUEST["category"]);
 
-			catchup_feed($link, $feed, $is_cat);
+			catchup_feed($link, $feed_id, $is_cat);
 
 			print json_encode(array("status" => "OK"));