Fix return value for rig_send_raw

src/rig.c

@@ -8701,7 +8701,9 @@ HAMLIB_EXPORT(int) rig_send_raw(RIG *rig, const unsigned char *send,
     {
         rig_debug(RIG_DEBUG_VERBOSE, "%s: simulating response for model %s\n",
                   __func__, rig->caps->model_name);
+        memcpy(reply, send, send_len);
         retval = send_len;
+        return retval;
     }
     else
     {