twbs/bootstrap — pull request #9079 by liuyl (2013-08-05 00:37:48+00:00)
Title: btngroups

fixed round corner of '.btn-group-vertical'.

Bug [jsfiddle](http://jsfiddle.net/liuyl/ju5Uy/)
After fixed [jsfiddle](http://jsfiddle.net/liuyl/xy4zB/)