mod_http_file_share: Fix expiry disabled check for new config API
Similar to 26c30844cac6
# Settings for using `hg email`
[email]
# See `hg help config.email`
to = prosody-dev@googlegroups.com
[smtp]
# See `hg help config.smtp`
host = mail.example.com
port = submission
tls = starttls
username =
[extensions]
# command to send changesets as (a series of) patch emails
patchbomb =