stress-workload: clean up duplicate stress_workload_waste_time call warning

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>

Author: ColinIanKing

stress-workload.c

@@ -462,8 +462,8 @@ static int stress_workload_exercise(
 		}
 		stress_workload_bucket_account(slice_offset_bucket, STRESS_DBL_MICROSECOND * (stress_time_now() - t_begin));
 		if (run_duration_sec > 0.0) {
-			if (workload_threads) {
 #if defined(WORKLOAD_THREADED)
+			if (workload_threads) {
 				double sleep_secs;
 
 				if (i == (max_quanta - 1)) {
@@ -474,12 +474,14 @@ static int stress_workload_exercise(
 				(void)mq_send(mq, (const char *)&workload[i], sizeof(workload[i]), 0);
 				if (sleep_secs > 0.0)
 					(void)shim_nanosleep_uint64((uint64_t)(sleep_secs * STRESS_DBL_NANOSECOND));
-#else
 				stress_workload_waste_time(args->name, workload_method, run_duration_sec, buffer, buffer_len);
-#endif
 			} else {
 				stress_workload_waste_time(args->name, workload_method, run_duration_sec, buffer, buffer_len);
 			}
+#else
+			(void)workload_threads;
+			stress_workload_waste_time(args->name, workload_method, run_duration_sec, buffer, buffer_len);
+#endif
 		}
 		stress_bogo_inc(args);
 	}