update book code

eBook/examples/chapter_5/for6.go

@@ -1,17 +1,17 @@
-package main
-
-import "fmt"
-
-func main() {
-
-LABEL1:
-	for i := 0; i <= 5; i++ {
-		for j := 0; j <= 5; j++ {
-			if j == 4 {
-				continue LABEL1
-			}
-			fmt.Printf("i is: %d, and j is: %d\n", i, j)
-		}
-	}
-
-}
+package main
+
+import "fmt"
+
+func main() {
+
+LABEL1:
+	for i := 0; i <= 5; i++ {
+		for j := 0; j <= 5; j++ {
+			if j == 4 {
+				continue LABEL1
+			}
+			fmt.Printf("i is: %d, and j is: %d\n", i, j)
+		}
+	}
+
+}