www/libmicrohttpd: Update 1.0.5 => 1.0.10

Changelog:
https://git.gnunet.org/gnunet/libmicrohttpd/file/ChangeLog.html

• Fix warnings form portclippy.

PR: 297608
Sponsored by: UNIS Labs
Co-authored-by: Vladimir Druzenko <vvd@FreeBSD.org>
MFH: 2026Q3

(cherry picked from commit e79c0d5e4d9ebf969a69c30366ef974436621348)