Fix SafeHtml API misuse (calling SafeHtmlUtils.fromSafeConstant(String) with a non-constant string value). Review at http://gwt-code-reviews.appspot.com/1611804 git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10797 8db76d5a-ed1c-0410-87a9-c151d255dfc7