style: revert example app defp parens to match upstream style

Author: gilbertwong96

examples/cli_example/lib/example_cli_app.ex

@@ -35,16 +35,16 @@ defmodule ExampleCliApp do
     System.halt(0)
   end
 
-  defp test_release_cookie do
+  defp test_release_cookie() do
     {:ok, [[cookie_value]]} = :init.get_argument(:setcookie)
     IO.puts("My Release Cookie is: #{inspect(cookie_value)}")
   end
 
-  defp test_crypto do
+  defp test_crypto() do
     {_pub, _priv} = :crypto.generate_key(:eddsa, :ed25519)
   end
 
-  defp test_sqlite do
+  defp test_sqlite() do
     {:ok, conn} = Exqlite.Sqlite3.open(":memory:")
     :ok = Exqlite.Sqlite3.execute(conn, "create table test (id integer primary key, stuff text)")
     {:ok, statement} = Exqlite.Sqlite3.prepare(conn, "insert into test (stuff) values (?1)")