Fix purge action in folder manager (#1489280)

Aleksander Machniak

2013-08-13 f477279035191f4a1c238e6a7bad162a8fca85ed

 program/js/app.js

@@ -398,7 +398,7 @@
        }
        else if (this.env.action == 'edit-folder' && this.gui_objects.editform) {
          this.enable_command('save', 'folder-size', true);
          parent.rcmail.env.messagecount = this.env.messagecount;
          parent.rcmail.env.exists = this.env.messagecount;
          parent.rcmail.enable_command('purge', this.env.messagecount);
          $("input[type='text']").first().select();
        }