fix 90772 rs=sspitzer, offline download stalling if you have a local folders account

mailnews/local/src/nsNoIncomingServer.cpp

@@ -251,9 +251,12 @@ NS_IMETHODIMP nsNoIncomingServer::CreateDefaultMailboxes(nsIFileSpec *path)
 }
 
 NS_IMETHODIMP nsNoIncomingServer::GetNewMail(nsIMsgWindow *aMsgWindow, nsIUrlListener *aUrlListener, nsIMsgFolder *aInbox, nsIURI **aResult)
-{
-	// do nothing, there is no new mail for this incoming server, ever.
-	return NS_OK;
+{
+  // listener might be counting on us to send a notification.
+  if (aUrlListener)
+    aUrlListener->OnStopRunningUrl(nsnull, NS_OK);
+  // do nothing, there is no new mail for this incoming server, ever.
+  return NS_OK;
 }
 
 // the "none" server does not support filters, because