Fix the following things:

* Change `for name, _ := range _bindata` to `for name := range _bindata {`
* Format the souce codes

toc.go

@@ -42,7 +42,7 @@ func Asset(name string) ([]byte, error) {
 // AssetNames returns the names of the assets.
 func AssetNames() []string {
 	names := make([]string, 0, len(_bindata))
-	for name, _ := range _bindata {
+	for name := range _bindata {
 		names = append(names, name)
 	}
 	return names