mozilla-b2g/gaia — pull request #11258 by cctuan (2013-07-31 00:14:23+00:00)
Title: Bug 899816 - [helix][Gallery] The images are displayed in 2 columns instead of 3 columns, leaving an empty black space

https://bugzilla.mozilla.org/show_bug.cgi?id=899816

a regression of bug 898701. Change the width calc back.