add catchup fixme for all_labels feed

functions.php

@@ -2114,6 +2114,8 @@
 			
 				if ($cat_view) {
 
+					if $feed >= 0) {
+
 						if ($feed > 0) {
 							$cat_qpart = "cat_id = '$feed'";
 						} else {
@@ -2132,6 +2134,10 @@
 								SET unread = false,last_read = NOW() 
 								WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
 						}
+					} else if ($feed == -2) {
+
+						/* FIXME catchup for all labels vfeed */
+					}
 
 				} else if ($feed > 0) {