Minor formatting.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1437016 13f79535-47bb-0310-9956-ffa450edef68
 Add findbugs exclude for ComparatorChain.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1437017 13f79535-47bb-0310-9956-ffa450edef68