Fix a bug introduced with Shift-Del yesterday

svncommit

2006-11-22 086377c7e648744daa7778673182de496a1b268d

 program/js/app.js

@@ -1343,7 +1343,7 @@
    // if there is a trash mailbox defined and we're not currently in it:
    if (this.env.trash_mailbox && String(this.env.mailbox).toLowerCase()!=String(this.env.trash_mailbox).toLowerCase())
      // if shift was pressed delete it immediately
      if (this.message_list.shiftkey)
      if (this.message_list && this.message_list.shiftkey)
        {
        if (confirm(this.get_label('deletemessagesconfirm')))
          this.permanently_remove_messages();