Add fmt >= 0.8.8 to xapi-xenopsd
Add fmt >= 0.8.8 to xapi-xenopsd

Xenopsd depends on Dump.record from fmt which is not present in fmt
0.8.6 at least.

Signed-off-by: Christian Lindig <4f88b50bc9dba63c9a7d9e208d4b3ac6f1a52800@citrix.com>

lindig/xs-opam,xapi-project/xs-opam