Fixes zData being printed twice in every example.

Author: edspark

examples/Ex1_BasicReadings/Ex1_BasicReadings.ino

@@ -61,7 +61,7 @@ void loop() {
   Serial.print(myData.xData, 4);
   Serial.print("g ");
   Serial.print(" Y: ");
-  Serial.print(myData.zData, 4);
+  Serial.print(myData.yData, 4);
   Serial.print("g ");
   Serial.print(" Z: ");
   Serial.print(myData.zData, 4);

examples/Ex2_Interrupts/Ex2_Interrupts.ino

@@ -65,7 +65,7 @@ void loop() {
     Serial.print(myData.xData, 4);
     Serial.print("g ");
     Serial.print(" Y: ");
-    Serial.print(myData.zData, 4);
+    Serial.print(myData.yData, 4);
     Serial.print("g ");
     Serial.print(" Z: ");
     Serial.print(myData.zData, 4);

examples/Ex3_SoftwareInterrupts/Ex3_SoftwareInterrupts.ino

@@ -63,7 +63,7 @@ void loop() {
     Serial.print(myData.xData, 4);
     Serial.print("g ");
     Serial.print(" Y: ");
-    Serial.print(myData.zData, 4);
+    Serial.print(myData.yData, 4);
     Serial.print("g ");
     Serial.print(" Z: ");
     Serial.print(myData.zData, 4);

examples/Ex4_Buffer/Ex4_Buffer.ino

@@ -64,7 +64,7 @@ void loop() {
       Serial.print(myData.xData, 4);
       Serial.print("g ");
       Serial.print(" Y: ");
-      Serial.print(myData.zData, 4);
+      Serial.print(myData.yData, 4);
       Serial.print("g ");
       Serial.print(" Z: ");
       Serial.print(myData.zData, 4);