Add storage alignment fix for opengles2.0 for iOS

R=tkchin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/40179004

Patch from Iurii Shevchuk <youwrk@gmail.com>.

Cr-Commit-Position: refs/heads/master@{#8764}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8764 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed