fix beforeunload hook

print/resources/inkstitch.js

@@ -1,10 +1,10 @@
 $(function() {
   
   // If the window is closed, we still want to be sure to shutdown the server
-  window.addEventListener('beforeunload', setTimeout(function() { 
+  window.addEventListener('beforeunload', function() {
     $.post('/shutdown', {})
-  }), 1000);
-  
+  });
+
   $('button.close').click(function() {
     $.post('/shutdown', {})
      .done(function(data) {