Fix namespace issue (#451)

Author: viktorivanov

src/Mcamara/LaravelLocalization/Middleware/LaravelLocalizationViewPath.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Http\Middleware;
+namespace Mcamara\LaravelLocalization\Middleware;
 
 use Closure;
 use Illuminate\Support\Facades\View;