gravitystorm/openstreetmap-carto — pull request #541 by math1985 (2014-05-19 23:19:06+00:00)
Title: Fix line-cap and line-join on bridge background

The white background of bridges should not have a round line-cap,
but should have a round line-join.

With round line-cap, artefacts appear at the end of the bridges
on non-white backgrounds.