Fix incorrect use of _currentBlockStream - now tell() and mark() work correctly. refs #237
Fix incorrect use of _currentBlockStream - now tell() and mark() work correctly. refs #237

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