message: Adding one missing if err != nil check to the Golang Howto.
diff: @@ -222,6 +222,9 @@ func main() {
  }
  v, err := signature.NewVerifier(khPub)
  + if err != nil {
  + log.Fatal(err)
  + }
  if err := v.Verify(a, []byte("this data needs to be signed")); err != nil {
  log.Fatal("signature verification failed")
  