Post-merge fixups.

src/kv-server.cc

@@ -553,7 +553,7 @@ static hg_return_t bench_handler(hg_handle_t handle)
     bench_out.result.read_time = random_insert.read_time;
     bench_out.result.overhead = random_insert.overhead;
 
-    ret = margo_respond(handle, NULL);
+    ret = margo_respond(handle, &bench_out);
 
     margo_free_input(handle, &bench_in);
     margo_destroy(handle);

test/bench-client.cc

@@ -62,7 +62,7 @@ int main(int argc, char **argv)
     kv_context *context;
     size_t items = atoi(argv[1]);
 
-    context = kv_client_register(argc, argv);
+    context = kv_client_register(NULL);
     kv_open(context, argv[2], NULL, KV_INT, KV_INT);
 
     RandomInsertSpeedTest(context, items, &rpc);