Merge branch '6.x' into 7.x

Author: GrahamCampbell

src/Illuminate/Database/Eloquent/Relations/MorphToMany.php

@@ -124,7 +124,7 @@ protected function getCurrentlyAttachedPivots()
     {
         return parent::getCurrentlyAttachedPivots()->map(function ($record) {
             return $record->setMorphType($this->morphType)
-                            ->setMorphClass($this->morphClass);
+                          ->setMorphClass($this->morphClass);
         });
     }