testbot/TestAgent: Fix handling of unknown RPCs.

[Francois Gouget]

We must set the error message otherwise it could be uninitialized.
---
 testbot/src/testagentd/testagentd.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/testbot/src/testagentd/testagentd.c b/testbot/src/testagentd/testagentd.c
index 19b2f8b..a5b8e54 100644
--- a/testbot/src/testagentd/testagentd.c
+++ b/testbot/src/testagentd/testagentd.c
@@ -877,6 +877,7 @@ static void do_unknown(SOCKET client, uint32_t id)
     if (recv_list_size(client, &argc))
         skip_entries(client, argc);
 
+    set_status(ST_ERROR, "unknown RPC %s", rpc_name(id));
     send_error(client);
 }
 
-- 
1.7.10.4