Update Foreground.skin.php

This is a test to see if it fixes an issue #115 copy from foundation5 branch which someone else created this patch for tabs. Please view https://github.com/thingles/foreground/commit/519f67cc4117ee16687171ad62a76da9615c3257#diff-105de59727632e9edcd8c790d94ac3e9 For user who created the patch.