added suppress_stdout to radio::init_multi

lib/src/radio/radio_multi.cc

@@ -14,9 +14,11 @@ bool radio_multi::init_multi(uint32_t nof_rx_antennas, char* args, char* devname
   burst_preamble_samples = 0; 
   burst_preamble_time_rounded = 0; 
   cur_tx_srate = 0; 
-  is_start_of_burst = true; 
-  
-  
+  is_start_of_burst = true;
+
+  // Suppress radio stdout
+  srslte_rf_suppress_stdout(&rf_device);
+
   tx_adv_auto = true; 
   // Set default preamble length each known device
   // We distinguish by device family, maybe we should calibrate per device