Commit 570bfc7c1748e568a47340b17b9f3c1e388e0065

alokp@chromium.org 2010-09-24T17:19:25

Built-in string for vertex shaders can be empty. Nicolas handled this case in r433 but r437 overwrote it. Review URL: http://codereview.appspot.com/2233046 git-svn-id: https://angleproject.googlecode.com/svn/trunk@439 736b8ea6-26fd-11df-bfd4-992fa37f6226