Add missing CSS_ATTRIBUTE_START case in SafeHtmlTemplates code generator.

Review at: http://gwt-code-reviews.appspot.com/1395803


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9914 8db76d5a-ed1c-0410-87a9-c151d255dfc7
2 files changed