Fix the benchmark feature by bypassing the new networking code.

cgminer.c

@@ -2043,7 +2043,11 @@ static void *get_work_thread(void *userdata)
 	else
 		ret_work->thr = NULL;
 
+	if (opt_benchmark)
+		get_benchmark_work(ret_work);
+	else {
 		pool = ret_work->pool = select_pool(wc->lagging);
+		
 		ce = pop_curl_entry(pool);
 
 		/* obtain new work from bitcoin via JSON-RPC */
@@ -2062,6 +2066,7 @@ static void *get_work_thread(void *userdata)
 			fail_pause += opt_fail_pause;
 		}
 		fail_pause = opt_fail_pause;
+	}
 
 	applog(LOG_DEBUG, "Pushing work to requesting thread");
 
@@ -2074,6 +2079,7 @@ static void *get_work_thread(void *userdata)
 
 out:
 	workio_cmd_free(wc);
+	if (!opt_benchmark)
 		push_curl_entry(ce, pool);
 	return NULL;
 }