Fix javascript error in "IE 8.0/Tablet PC" browser (#1490210)

Aleksander Machniak

2015-01-16 b7e3b15a8a551092a69a43cb7f6af8726988f723

 program/js/app.js

@@ -1954,7 +1954,7 @@
    // attach events
    $.each(fn, function(i, f) {
      row[i].onclick = function(e) { f(e); return rcube_event.cancel(e); };
      if (bw.touch) {
      if (bw.touch && row[i].addEventListener) {
        row[i].addEventListener('touchend', function(e) {
          if (e.changedTouches.length == 1) {
            f(e);