Use "quoted" from existing data if exists

In order to keep that information for inheritance mapping.

lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php

@@ -2303,6 +2303,10 @@ class ClassMetadataInfo implements ClassMetadata
             $this->table['name'] = $table['name'];
         }
 
+        if (isset($table['quoted'])) {
+            $this->table['quoted'] = $table['quoted'];
+        }
+
         if (isset($table['schema'])) {
             $this->table['schema'] = $table['schema'];
         }