Merge pull request #3501 from crynobone/feature/use-this

[5.1] Use $this instead of parent.

app/Providers/AuthServiceProvider.php

@@ -24,7 +24,7 @@ class AuthServiceProvider extends ServiceProvider
      */
     public function boot(GateContract $gate)
     {
-        parent::registerPolicies($gate);
+        $this->registerPolicies($gate);
 
         //
     }