Updated example

Author: pedromsousalima

content/hardware/10.mega/boards/giga-r1-wifi/tutorials/giga-usb/giga-usb.md

@@ -358,7 +358,7 @@ void setup() {
 
   msd.connect();
 
-  while (!msd.connected()) {
+  while (!msd.connect()) {
     Serial.print("MSD not found.");
     delay(1000);
   }