fix build_minor_tables in rebuilding

src/sql/engine/expr/ob_expr_to_outfile_row.cpp

@@ -214,9 +214,9 @@ int ObExprToOutfileRow::extract_fisrt_wchar_from_varhcar(const ObObj &obj, int32
       ret = ObCharset::mb_wc(obj.get_collation_type(), str.ptr(), str.length(), length, wchar);
     }
   }
-  return ret;
-}
-
+  return ret;
+}
+
 // If the FIELDS ESCAPED BY character is not empty, it is used to prefix the following
 // characters on output:
 // 1. The FIELDS ESCAPED BY character.