x11-clocks/wmitime: Revive port

[jrm]

Summary

WMitime is yet another clock dock app which shows standard time, date,
as well as the new Internet time.

WWW: https://www.dockapps.net/wmitime

Sponsored by: The FreeBSD Foundation

[jrm]

Add entry to x11-clocks/Makfile and remove commented line from pkg-descr

[jrm]

Return CFLAGS="${CFLAGS}" to MAKE_ARGS

[jrm]

(With a few minor tweaks discussed outside of the review.)