Fix touch check when IE doesn't specify the event object

Thomas Bruederli

2013-08-16 0e3f0ad9c90b0a381b9f5e72c40301e19a898976

Fix touch check when IE doesn't specify the event object

 program/js/list.js

@@ -307,7 +307,7 @@
  if (rcube_event.get_button(e) == 2)
    return true;

  this.in_selection_before = e.istouch || this.in_selection(id) ? id : false;
  this.in_selection_before = e && e.istouch || this.in_selection(id) ? id : false;

  // selects currently unselected row
  if (!this.in_selection_before) {