openlayers/ol3 — pull request #3058 by ahocevar (2014-12-18 10:04:08+00:00)
Title: Use an API function to extend the extent

This is a follow-up on #3010. The `earthquake-clusters.html` example does not work in compiled mode because it uses the `ol.extent.extendCoordinate` function which is not part of the API. This change makes it so `ol.extent.extend` is used instead.