Merge pull request #42 from fishjimi/master

Remove redundant blocking in "MQTTClient.c"

Internet/MQTT/MQTTClient.c

@@ -295,14 +295,10 @@ int MQTTYield(MQTTClient* c, int timeout_ms)
     TimerInit(&timer);
     TimerCountdownMS(&timer, timeout_ms);
 
-	do
-    {
     if (cycle(c, &timer) == FAILURE)
     {
         rc = FAILURE;
-            break;
     }
-	} while (!TimerIsExpired(&timer));
         
     return rc;
 }