Apache Monitor's tray code does not notify Windows to remove it from the

tray when the process is destroyed. Just needed to add a call to remove
the tray icon before PostQuitMessage(0).

Also show "MS Windows XP" instead of "Whistler".

Submitted by:	Jerry Baker <jerrybaker@weirdness.com>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@90024 13f79535-47bb-0310-9956-ffa450edef68