examples: format all .ino files

This formats all the example source files using Arduino style rules.

libraries/ESP8266mDNS/examples/mDNS-SD_Extended/mDNS-SD_Extended.ino

@@ -2,12 +2,12 @@
   ESP8266 mDNS-SD responder and query sample
 
   This is an example of announcing and finding services.
-  
+
   Instructions:
   - Update WiFi SSID and password as necessary.
   - Flash the sketch to two ESP8266 boards
   - The last one powered on should now find the other.
- */
+*/
 
 #include <ESP8266WiFi.h>
 #include <ESP8266mDNS.h>
@@ -38,7 +38,7 @@ void setup() {
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
 
- if (!MDNS.begin(hostString)) {
+  if (!MDNS.begin(hostString)) {
     Serial.println("Error setting up MDNS responder!");
   }
   Serial.println("mDNS responder started");
@@ -49,8 +49,7 @@ void setup() {
   Serial.println("mDNS query done");
   if (n == 0) {
     Serial.println("no services found");
-  }
-  else {
+  } else {
     Serial.print(n);
     Serial.println(" service(s) found");
     for (int i = 0; i < n; ++i) {
@@ -66,7 +65,7 @@ void setup() {
     }
   }
   Serial.println();
-  
+
   Serial.println("loop() next");
 }