[tab] Equally spaced tabs with active area differ in width

[jamessampford]

Bug Report

The pixel width differs from the attached tabs to the attached segment (attached segment is 2px wider)

The same can be seen on Centered Item https://fomantic-ui.com/modules/tab.html#centered-item

Expected result

Right-side border (tab + segment) to be aligned

Actual result

Right-side border (tab + segment) is not aligned

Testcase

https://jsfiddle.net/vy8e9h3a/

Screenshot

Version

2.8.8

[lubber-de]

Fixed by #1480 See https://jsfiddle.net/lubber/9aky58nc/