basho/riak_kv — pull request #775 by engelsanchez (2013-12-20 00:15:22+00:00)
Title: Make memory backend obey 2i return terms properly

Otherwise it might send term/key pairs to an old node, which wouldn't
know what to do with them. Found with verify_2i_mixed_cluster test.

Compare this to similar code in riak_kv_eleveldb_backend.erl

/cc @jaredmorrow @jonmeredith