Significant cleanup and enable wintty to -always- escape from the service
  context when the run-as-user is LocalSystem or has access to the windows
  station and desktop.  The original method did not give us a visible tty
  unless the 'Allow Service to Interact with Desktop' toggle was set.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93655 13f79535-47bb-0310-9956-ffa450edef68