view_reader: clean-up without shutdown
view_reader: clean-up without shutdown

useful when we don't need shutdown() to control clean-up order.

Signed-off-by: Noah Watkins <86ecd7d1c53cf33a85014f7cab78876cb4491020@gmail.com>

noahdesu/zlog,noahdesu/zlog,noahdesu/zlog,noahdesu/zlog,noahdesu/zlog