If an httpd.conf has commented out AddModule directives,

apxs -i -a will add an un-commented AddModule directive for
the new module, which breaks the config.

PR: 11212
Obtained from:
Submitted by:	Joe Orton
Reviewed by:	Bill Stoddard, Thom May


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97820 13f79535-47bb-0310-9956-ffa450edef68