openlayers/ol3 — pull request #1872 by fredj (2014-03-18 07:16:51+00:00)
Title: Fix vbarray extern

dimension argument is optional.
See http://msdn.microsoft.com/en-us/library/3kk8f869(v=vs.94).aspx
and http://msdn.microsoft.com/en-us/library/0kbz883e(v=vs.94).aspx