Mistakenly try to use a line comment to the end of your Listen
directive on Windows => crash-o-matic

Or,

WinNT MPM: Don't crash during child process initialization if the
Listen protocol is unrecognized. 


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1520368 13f79535-47bb-0310-9956-ffa450edef68