bug fix

src/ui/ab.tis

@@ -287,4 +287,4 @@ class MultipleSessions: Reactor.Component {
     }
 }
 
-view.on("size", function() { app.multipleSessions.onSize(); });
+view.on("size", function() { if (app.multipleSessions) app.multipleSessions.onSize(); });

src/ui/index.tis

@@ -668,7 +668,7 @@ function checkConnectStatus() {
         }
         if (handler.recent_sessions_updated()) {
             stdout.println("recent sessions updated");
-            app.multipleSessions.update();
+            app.update();
         }
         checkConnectStatus();
     });