No warning on spare ACL not generated by netspoc.
Test case for spare ACL.
Match only blank, not \s after prompt.

Otherwise this eats one \r character of the reload banner.
This truncated reload banner wouldn't be recognized any longer.
v1.092

 - Fixed approve for ASA: Only warn on spare ACL that was
   generated by netspoc.
 - Fixed handling of reload banner by fixing parsing of Cisco prompt.