Fix c lib to clean up timed-out interests that are not re-expressed by client request.
Fix c lib to clean up timed-out interests that are not re-expressed by client request.



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