Merge pull request #21 from emile-yamaji/master

issue#19

Author: bestmomo

src/Traits/RegistersUsers.php

@@ -43,9 +43,8 @@ public function register(Request $request)
      */
     public function confirm($id, $confirmation_code)
     {
-        $model = config('auth.providers.users.model');
-
-        $user = $model::whereId($id)->whereConfirmationCode($confirmation_code)->firstOrFail();
+        $model = $this->guard()->getProvider()->createModel();
+        $user = $model->whereId($id)->whereConfirmationCode($confirmation_code)->firstOrFail();
         $user->confirmation_code = null;
         $user->confirmed = true;
         $user->save();