Checkstyle fixes

Repost of 1565806
Thanks Stephen!
Patch by: stephen.haberman@gmail.com

Review at http://gwt-code-reviews.appspot.com/1725807

Review by: rdayal@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11034 8db76d5a-ed1c-0410-87a9-c151d255dfc7