sum of test duration and omit must not exceed server's max duration

Author: manedurphy

src/iperf_api.c

@@ -2247,7 +2247,7 @@ iperf_exchange_parameters(struct iperf_test *test)
         if (get_parameters(test) < 0)
             return -1;
 
-        if (test->max_server_duration > 0 && test->duration > test->max_server_duration) {
+        if (test->max_server_duration > 0 && (test->duration + test->omit) > test->max_server_duration) {
             if (iperf_set_send_state(test, SERVER_ERROR) != 0)
                 return -1;