flush stdout for better display of "Waiting for eNB application to be ready"

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7746 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/RT/USER/lte-softmodem.c

@@ -797,6 +797,7 @@ static void wait_system_ready (char *message, volatile int *start_flag)
 
     while ((!oai_exit) && (*start_flag == 0)) {
       LOG_N(EMU, message, indicator[i]);
+      fflush(stdout);
       i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
       usleep(200000);
     }