Bug 562159 - Tabs from other computers don't show at about:weave-tabs, r=Mardak

--HG--
extra : rebase_source : 6e585fc3ddf75f3654286c08f1cd660586ce2de3

services/sync/modules/engines/clients.js

@@ -163,7 +163,9 @@ ClientEngine.prototype = {
   set localType(value) Svc.Prefs.set("client.type", value),
 
   isMobile: function isMobile(id) {
+    if (this._store._remoteClients[id])
       return this._store._remoteClients[id].type == "mobile";
+    return false;
   },
 
   // Always process incoming items because they might have commands