refs #100422. Do not clear CCN_FACE_GG when setting CCN_FACE_DC based on CCN_FORW_LAST being set.
refs #100422. Do not clear CCN_FACE_GG when setting CCN_FACE_DC based on CCN_FORW_LAST being set.

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