twitter/bootstrap — pull request #6330 by hlb (2012-12-19 17:00:22+00:00)
Title: fix .btn-group .btn border-radius in .input-append

The .input-append button in the segmented dropdown groups should not have border-radius.

![segmented-dropdown-groups](https://f.cloud.github.com/assets/4609/22431/68e6f102-49fd-11e2-834c-fb38a24f0907.png)