refs #100761  ccn_btree_index_in_parent() needs to check slot 0 as well.
refs #100761  ccn_btree_index_in_parent() needs to check slot 0 as well.

svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,cawka/ndnx