* Feeds.openNextUnread: fix

* model.getNextFeed: make sure return values are consistent, stop
wrapping back to starred

js/FeedTree.js

@@ -394,7 +394,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dojo/_base/array", "dojo/co
 			}
 
 			const items = this.model.store._arrayOfAllItems;
-			let item = items[0];
+			let item = false;
 
 			for (let i = 0; i < items.length; i++) {
 				if (items[i] == treeItem) {
@@ -422,7 +422,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dojo/_base/array", "dojo/co
 				return [this.model.store.getValue(item, 'bare_id'),
 					!this.model.store.getValue(item, 'id').match('FEED:')];
 			} else {
-				return false;
+				return [false, false];
 			}
 		},
 		getPreviousFeed: function (feed, is_cat) {

js/Feeds.js

@@ -133,9 +133,10 @@ const	Feeds = {
       return Feeds.reloadCurrent('');
    },
 	openNextUnread: function() {
-		const is_cat = this.activeIsCat();
-		const nuf = this.getNextUnread(this.getActive(), is_cat);
-		if (nuf) this.open({feed: nuf, is_cat: is_cat});
+		const [feed, is_cat] = this.getNextUnread(this.getActive(), this.activeIsCat());
+
+		if (feed !== false)
+			this.open({feed: feed, is_cat: is_cat});
 	},
 	toggle: function() {
 		Element.toggle("feeds-holder");