Fix merge error that disabled contact drag'n'drop

Thomas Bruederli

2014-08-19 fc52af24f1418d6590a2d37a0d8cc31b123e38f6

 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) {