Add validation jars to the expenses sample build.xml

Review at http://gwt-code-reviews.appspot.com/1309802

Review by: bobv@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9627 8db76d5a-ed1c-0410-87a9-c151d255dfc7
1 file changed