rpc: use the return value of virObjectRef directly

Use the return value of virObjectRef directly. This way, it's easier
for another reader to identify the reason why the additional reference
is required.
Signed-off-by: NMarc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>

src/rpc/virnetserver.c

@@ -199,7 +199,7 @@ virNetServerDispatchNewMessage(virNetServerClientPtr client,
         if (VIR_ALLOC(job) < 0)
             goto error;
 
-        job->client = client;
+        job->client = virObjectRef(client);
         job->msg = msg;
 
         if (prog) {
@@ -207,7 +207,6 @@ virNetServerDispatchNewMessage(virNetServerClientPtr client,
             priority = virNetServerProgramGetPriority(prog, msg->header.proc);
         }
 
-        virObjectRef(client);
         if (virThreadPoolSendJob(srv->workers, priority, job) < 0) {
             virObjectUnref(client);
             VIR_FREE(job);