Add mutex locking for the call to replay_prune() in replay_setsize(), since replay_prune() expects the rc_lock to be held when it is called.
Add mutex locking for the call to replay_prune() in
replay_setsize(), since replay_prune() expects the
rc_lock to be held when it is called.

MFC after:	2 weeks

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase