api: fix wrong sql syntax in getFeeds

api/index.php

@@ -111,14 +111,14 @@
 					id, feed_url, cat_id, title, ".
 						SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 						FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] . 
-						"ORDER BY cat_id, title " . $limit_qpart);
+						" ORDER BY cat_id, title " . $limit_qpart);
 			} else {
 				$result = db_query($link, "SELECT 
 					id, feed_url, cat_id, title, ".
 						SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 						FROM ttrss_feeds WHERE 
 						cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"] . 
-						"ORDER BY cat_id, title " . $limit_qpart);
+						" ORDER BY cat_id, title " . $limit_qpart);
 			}
 
 			$feeds = array();