fix: coding style and file format for chapter 10.

eBook/exercises/chapter_10/anonymous_struct.go

@@ -1,15 +1,15 @@
-package main
-
-import "fmt"
-
-type C struct {
-x float32;
-int;
-string;
-}
-
-func main() {
-	c := C{3.14, 7, "hello"}
-	fmt.Println(c.x, c.int, c.string) // output: 3.14 7 hello
-	fmt.Println(c)  // output: {3.14 7 hello}
-}
+package main
+
+import "fmt"
+
+type C struct {
+	x float32
+	int
+	string
+}
+
+func main() {
+	c := C{3.14, 7, "hello"}
+	fmt.Println(c.x, c.int, c.string) // output: 3.14 7 hello
+	fmt.Println(c)                    // output: {3.14 7 hello}
+}