Fix example Go code

examples/go/max_array.go

@@ -1,7 +1,11 @@
-package main;
+package main
 
-func MaxArray(x []float64, y []float64) {
-  for i, c := range x {
-    if y[i] > c { x[i] = y[i] }
-  }
+func MaxArray(x, y []float64) {
+	for i, c := range x {
+		if y[i] > c {
+			x[i] = y[i]
+		}
+	}
 }
+
+func main() {}