message: Fix small issue in example code
diff: @@ -267,22 +267,22 @@ func main() {
  log.Fatal(err)
  }
  - he, err := hybrid.NewHybridEncrypt(khPriv)
  + khPub, err := khPriv.PublicKey()
  if err != nil {
  log.Fatal(err)
  }
  - ct, err := he.Encrypt([]byte("secret message"), []byte("context info"))
  + he, err := hybrid.NewHybridEncrypt(khPub)
  if err != nil {
  log.Fatal(err)
  }
  - khPub, err := khPriv.PublicKey()
  + ct, err := he.Encrypt([]byte("secret message"), []byte("context info"))
  if err != nil {
  log.Fatal(err)
  }
  - hd, err := hybrid.NewHybridDecrypt(khPub)
  + hd, err := hybrid.NewHybridDecrypt(khPriv)
  pt, err := hd.Decrypt(ct, []byte("context info"))
  if err != nil {
  