fix catchup older than X for labels category

include/functions.php

@@ -1144,8 +1144,8 @@
 
 						db_query("UPDATE ttrss_user_entries
 							SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
-								FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
-								AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
+								FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
+								AND unread = true AND owner_uid = $owner_uid");
 					}
 
 				} else if ($feed > 0) {