message: Make serverInfo public
diff: @@ -183,7 +183,7 @@ void swoole_mysql_coro_init(int module_number)
  SWOOLE_SET_CLASS_CLONEABLE(swoole_mysql_coro_exception, zend_class_clone_deny);
  SWOOLE_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_mysql_coro_exception, zend_class_unset_property_deny);
  - zend_declare_property_string(swoole_mysql_coro_ce_ptr, ZEND_STRL("serverInfo"), "", ZEND_ACC_PRIVATE);
  + zend_declare_property_string(swoole_mysql_coro_ce_ptr, ZEND_STRL("serverInfo"), "", ZEND_ACC_PUBLIC);
  zend_declare_property_long(swoole_mysql_coro_ce_ptr, ZEND_STRL("sock"), 0, ZEND_ACC_PUBLIC);
  zend_declare_property_bool(swoole_mysql_coro_ce_ptr, ZEND_STRL("connected"), 0, ZEND_ACC_PUBLIC);
  zend_declare_property_string(swoole_mysql_coro_ce_ptr, ZEND_STRL("connect_error"), "", ZEND_ACC_PUBLIC);
  