fix code style 3

Author: Gianluca

src/Illuminate/Database/Eloquent/Model.php

@@ -443,7 +443,9 @@ public function qualifyColumn($column)
     public function qualifyColumns($columns)
     {
         $columns = is_array($columns) ? $columns : func_get_args();
+        
         $qualifiedArray = [];
+
         foreach ($columns as $column) {
             $qualifiedArray[] = $this->qualifyColumn($column);
         }