Fix line length of http

sheets/_go/http

@@ -8,7 +8,8 @@ import (
 // define a type for the response
 type Hello struct{}
 
-// let that type implement the ServeHTTP method (defined in interface http.Handler)
+// let that type implement the ServeHTTP method (defined in interface
+// http.Handler)
 func (h Hello) ServeHTTP(w http.ResponseWriter, r *http.Request) {
     fmt.Fprint(w, "Hello!")
 }