openlayers/ol3 — pull request #1932 by twpayne (2014-04-01 11:44:53+00:00)
Title: Stop draw order from prevent batch reuse

This fixes a bug [reported by](https://github.com/openlayers/ol3/pull/1888#commitcomment-5865234) @fredj, where a faulty test was always false, preventing batch re-use.