Convert 'for' loops to enhanced 'for' loops.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1571756 13f79535-47bb-0310-9956-ffa450edef68
Update commons-parent to 33 from 32.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1571757 13f79535-47bb-0310-9956-ffa450edef68