Add extra check for being set #560 (#563)

app/Http/Controllers/Frontend/ProfileController.php

@@ -79,7 +79,7 @@ class ProfileController extends Controller
     /**
      * @param $id
      *
-     * @return \Illuminate\Contracts\View\Factory|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector|\Illuminate\View\View
+     * @return mixed
      */
     public function show($id)
     {

resources/views/layouts/default/profile/index.blade.php

@@ -94,7 +94,7 @@
     <div class="row">
       <div class="col-sm-12">
         <div class="text-right">
-          @if ($acars)
+          @if (isset($acars) && $acars === true)
           <a href="{{ route('frontend.profile.acars') }}" class="btn btn-primary"
              onclick="alert('Save to \'My Documents/phpVMS\'')">ACARS Config</a>
           &nbsp;