updated case from "Crud" to "CRUD" in CrudButton.php and CrudFilter.php

Author: TbishopP

src/app/Library/CrudPanel/CrudButton.php

@@ -2,7 +2,7 @@
 
 namespace Backpack\CRUD\app\Library\CrudPanel;
 
-use Backpack\Crud\ViewNamespaces;
+use Backpack\CRUD\ViewNamespaces;
 
 /**
  * Adds fluent syntax to Backpack CRUD Buttons.

src/app/Library/CrudPanel/CrudFilter.php

@@ -3,7 +3,7 @@
 namespace Backpack\CRUD\app\Library\CrudPanel;
 
 use Backpack\CRUD\app\Exceptions\BackpackProRequiredException;
-use Backpack\Crud\ViewNamespaces;
+use Backpack\CRUD\ViewNamespaces;
 use Closure;
 use Illuminate\Support\Str;
 use Symfony\Component\HttpFoundation\ParameterBag;