c: update metadata (storage)
- infos/author = Markus Raab <elektra@libelektra.org>
- infos/licence = BSD
- infos/needs = ccode
-- infos/provides =
+- infos/provides = storage/c
- infos/recommends =
- infos/placements =
- infos/status = maintained nodep libc writeonly preview nodoc
