Fix a nocompile

lib/communicator/Communicator_none.cc

@@ -55,15 +55,11 @@ void CartesianCommunicator::GlobalSum(double &){}
 void CartesianCommunicator::GlobalSum(uint32_t &){}
 void CartesianCommunicator::GlobalSumVector(double *,int N){}
 
-void CartesianCommunicator::RecvFrom(void *recv,
-				     int recv_from_rank,
-				     int bytes) 
-{
-  assert(0);
-}
-void CartesianCommunicator::SendTo(void *xmit,
-				   int xmit_to_rank,
-				   int bytes)
+void CartesianCommunicator::SendRecvPacket(void *xmit,
+					   void *recv,
+					   int xmit_to_rank,
+					   int recv_from_rank,
+					   int bytes)
 {
   assert(0);
 }