Fix of empty folder bug by Jon Daley (roundcube@jon.limedaley.com)

svncommit

2006-05-15 e1cf7c4c356495fb53db086d0e46dfe0a75f319c

 program/js/app.js

@@ -3012,8 +3012,11 @@
  this.http_response = function(request_obj)
    {
    var ctype = request_obj.get_header('Content-Type');
    if (ctype)
    if (ctype){
      ctype = String(ctype).toLowerCase();
      var ctype_array=ctype.split(";");
      ctype = ctype_array[0];
    }

    if (request_obj.__lock)
      this.set_busy(false);