Fix warning, clarify comment.  refs #100345
Fix warning, clarify comment.  refs #100345

svartika/ccnx,ebollens/ccnmp,cawka/ndnx,ebollens/ccnmp,ebollens/ccnmp,ebollens/ccnmp,svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,cawka/ndnx