Correct topic format printing

Author: sandeepmistry

examples/WiFiEcho/WiFiEcho.ino

@@ -97,7 +97,7 @@ void loop() {
   int messageSize = mqttClient.parseMessage();
   if (messageSize) {
     // we received a message, print out the topic and contents
-    Serial.println("Received a message with topic '");
+    Serial.print("Received a message with topic '");
     Serial.print(mqttClient.messageTopic());
     Serial.print("', length ");
     Serial.print(messageSize);

examples/WiFiSimpleReceive/WiFiSimpleReceive.ino

@@ -89,7 +89,7 @@ void loop() {
   int messageSize = mqttClient.parseMessage();
   if (messageSize) {
     // we received a message, print out the topic and contents
-    Serial.println("Received a message with topic '");
+    Serial.print("Received a message with topic '");
     Serial.print(mqttClient.messageTopic());
     Serial.print("', length ");
     Serial.print(messageSize);