Take Maintainership

Approved by: WH (walter@lifeforms.nl - maintainer via private eMail)
Sponsored by: Netzkommune GmbH
differential revision:
--this line, and those below, will be ignored--

description of fields to fill in above: 76 columns --|
pr: if and which problem report is related.
submitted by: if someone else sent in the change.
reported by: if someone else reported the issue.
reviewed by: if someone else reviewed your modification.
approved by: if you needed approval for this commit.
Obtained from: If the change is from a third party.
MFC after: N [day[s]|week[s]|month[s]]. Request a reminder email.
MFH: Ports tree branch name. Request approval for merge.
Relnotes: Set to 'yes' for mention in release notes.
Security: Vulnerability reference (one per line) or description.
Sponsored by: If the change was sponsored by an organization (each collaborator).
Differential Revision: https://reviews.freebsd.org/D### (*full* phabric URL needed).
Empty fields above will be automatically removed.

M mod_security/Makefile